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THE LINGUISTIC AND READING SKILLS OF ENGLISH LANGUAGE LEARNERS AT-
RISK FOR POOR READING COMPREHENSION: PROFILES AND PREDICTORS
by
Christine M. J. Fraser
A thesis submitted in conformity with the requirements
for the degree of Doctor of Philosophy
Graduate Department of Applied Psychology and Human Development
Ontario Institute for Studies in Education
University of Toronto
© Copyright by Christine M. J. Fraser (2017)
THE LINGUISTIC AND READING SKILLS OF ELLS
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THE LINGUISTIC AND READING SKILLS OF ENGLISH LANGUAGE LEARNERS
AT-RISK FOR POOR READING COMPREHENSION: PROFILES AND PREDICTORS
Doctor of Philosophy 2017
Christine M. J. Fraser
Department of Applied Psychology and Human Development
Ontario Institute for Studies in Education
University of Toronto
Abstract
This dissertation concerns the linguistic and reading profiles and predictors of English language
learners (ELLs) classified as typically developing or at-risk for poor reading comprehension. The
ELLs in the studies came from Chinese, Portuguese, and Spanish home language backgrounds,
but had all begun formal schooling in English in kindergarten. An at-risk classification model
based on performance on components of the simple view of reading (Gough & Tunmer, 1986),
and using cut-off scores at the 30th percentile or below and the 40th percentile or above, was
employed for identification of poor and good readers, respectively. ELLs (n = 127) were
subtyped in grade 4 as either typically developing or at-risk based on their decoding and
language comprehension skills in relation to the ELL sample (and not to monolingual norms).
Reader subtypes used in the final analyses were: poor decoders (difficulties with word reading; n
= 17), poor language comprehenders (language impaired; n = 15), multi-deficit at-risker
(problems in decoding and language comprehension; n = 20), and typical developers (no deficits
in decoding or language comprehension; n = 57). Study 1 compared the grade 4 profiles of the
ELL reader subtypes on the following skills: word reading, reading fluency at the word- and text-
levels, vocabulary, inferencing strategy, and reading comprehension. To validate the at-risk
classification model, multivariate analysis of covariance (MANCOVA) results indicated that all
three at-risk reader subtypes were experiencing significant problems with their reading
comprehension in grade 4 when compared to typically developing ELLs. Different skill profiles
THE LINGUISTIC AND READING SKILLS OF ELLS
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were observed across the three at-risk reader groups in grade 4: poor decoders demonstrated
difficulties with various aspects of word reading (accuracy and fluency), and inferencing
strategy; poor language comprehenders demonstrated difficulties in word reading fluency; and
multi-deficit at-riskers demonstrated pervasive difficulties with all the reading and language
skills under study, including fluency and inferencing strategy. Study 2 identified longitudinal
(from grade 2) linguistic and reading predictors of later at-risk ELL reader subtype in grade 4.
Multinomial logistic regression models indicated that there were different predictors of later at-
risk status across the reading groups: word reading fluency for poor decoders; receptive
vocabulary for poor language comprehenders; and fluency and oral expression for multi-deficit
at-riskers. Similar to the findings of previous research with poor reading ELLs (e.g., Geva &
Herbert, 2012; Geva & Massey-Garrison, 2013; Li & Kirby, 2014), findings suggest that not all
ELL readers with poor reading comprehension are the same; there are different sources of
reading comprehension problems which point to different intervention foci. Furthermore, it
appears that readers struggling with reading comprehension due to poor language can be
successfully identified as early as grade 2, prior to the onset of their later difficulties in reading
comprehension. Findings provide support for an enhanced simple view of reading that also
includes fluency and inferencing strategy. Directions for future research and implications for
practice are presented.
THE LINGUISTIC AND READING SKILLS OF ELLS
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Acknowledgements
This dissertation would not have been possible without the commitment and dedication of
my supervisor, Dr. Esther Geva, and my committee members, Drs. Alexandra Gottardo and
Monique Herbert, all of whom were by my side every step of the way and who believed in me
when I couldn't believe in myself. Thank you. I would also like to thank the Geva Lab members,
ROP students, APHD administrative assistants, and many OISE friends and colleagues for their
continued support during this process.
The research reported on in this dissertation was funded by grants from the Canadian
Language and Literacy Research Network (CLLRNet) and the Social Sciences and Humanities
Research Council (SSHRC) of Canada, and is part of a larger project conducted in collaboration
with Dr. Esther Geva of the Ontario Institute for Studies in Education/University of Toronto, and
Dr. Alexandra Gottardo of Wilfrid Laurier University.
THE LINGUISTIC AND READING SKILLS OF ELLS
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Dedication
For my father, Thomas Fraser.
All of my successes in life are because of your unconditional love and support. Thank you.
And for my brother, Jamie T. J. Fraser (1974 – 2015).
THE LINGUISTIC AND READING SKILLS OF ELLS
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Table of Contents
Abstract ii
Acknowledgments iv
Dedication v
Table of Contents vi
List of Figures viii
List of Tables ix
Chapter 1: Theoretical Perspectives – Reading Comprehension in English
Language Learners (ELLs) 1
Introduction 1
The Simple View of Reading 2
The Cognitive Processes Involved in Word Reading 7
Sources of Difficulties in Word Reading 11
Oral Language Proficiency and Reading Comprehension 13
Language Impairment and Poor Comprehension 17
The Importance of Reading with Fluency 22
Inferencing and its Role in Comprehension 29
Chapter 2: The Current Research 36
Methodological Considerations 38
Chapter 3: General Method 42
Recruitment and Data Collection 42
Educational Context 43
Participants 44
Measures 45
Measures Used for Group Classification 48
Decoding 48
Language Comprehension 48
Cognitive Ability 49
Nonverbal Cognitive Ability 49
Phonological Awareness 49
Naming Speed 50
Working Memory 50
Oral Language Proficiency 50
Vocabulary Knowledge 50
Oral Expression 51
Reading Skills 51
Word Reading 52
Reading Fluency 53
Reading Comprehension 54
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Higher-order Processing 54
Inferencing 55
Chapter 4: Data Preparation 56
Amalgamation of Participants from Different Home Language Backgrounds 56
Classification of ELL Participants to Reading Subtypes 63
Summary of Data Preparation Techniques 75
Chapter 5: Study 1 –Linguistic and Reading Profiles of At-risk ELL Reader 78
Research Question and Hypotheses for Study 1 79
Relationships among the Grade 4 Variables Used in Study 1 82
Do children with compromised decoding and/or language comprehension
also have difficulties with their current word reading, fluency, vocabulary,
inferencing strategy, and reading comprehension? 84
Types of Inferencing Strategies Used by the ELL Reading Groups 91
Summary of Study 1 95
Chapter 6: Study 2 – Longitudinal Predictors of At-risk ELL Readers 98
Research Questions and Hypotheses for Study 2 98
Relationships Among the Grade 2 Variables Used in Study 2 101
Do ELL reader groups as classified in grade 4, differ on phonological processing,
oral language, and reading skills in grade 2? 103
What grade 2 cognitive, language, and reading skills best predict at-risk ELL
reading group status in grade 4? 106
Summary of Study 2 110
Chapter 7: Discussion 113
Profiles and Predictors of ELLs At-risk for Poor Reading Comprehension 113
Poor Decoder Profile 116
Poor Language Comprehender Profile 117
Children with a Combined Poor Decoding and Poor Language
Comprehension Profile 118
Fluency as an Index of Poor Reading in ELLs 120
The Role of Inferencing in Second Language Reading Comprehension 122
Limitations and Future Directions for Research 126
Implications for Theory and Practice 127
A Specialized View of Reading for Special Populations 127
Differentiated Instruction for Subtypes of At-risk ELL Readers 129
Conclusion 130
References 133
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List of Figures
Figure 1. The two-dimensional model for conceptualizing the relationship 37
between language comprehension and decoding in typical developing
and at-risk reader groups
Figure 2. Scatterplot showing home language background of the reader groups by 68
their decoding and language comprehension raw scores
Figure 3. Bar graph displaying the number of participants in each reader group by 69
home language group
Figure 4. Decoding and language comprehension profiles for the reader groups 71
under study: multi-deficit at-riskers, poor decoders, poor language
comprehenders, and typical developers
Figure 5. Word reading profiles (in isolation and in context) for the typically 88
developing and at-risk reader groups under study
Figure 6. Word- and text-level fluency profiles for the typically developing and 89
at-risk reader groups under study
Figure 7. Vocabulary, inferencing, and reading comprehension profiles for the 90
typically developing and at-risk reader groups under study
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List of Tables
Table 1. Summary of the variables used in analyses 47
Table 2. The effect of home language background on age and the cognitive, 58
linguistic, and reading skills in grade 2: Descriptive statistics and post
hoc comparisons
Table 3. The effect of home language background on age, the grouping measures, 62
and the cognitive, linguistic, higher-order, and reading skills in grade 4:
Descriptive statistics and post hoc comparisons
Table 4. The effect of ELL reader group on age, decoding, and language 74
comprehension: Descriptive statistics and post hoc comparisons
Table 5. Correlation matrix showing the relationships among the variables in 83
Study 1
Table 6. The effect of ELL reader group on word reading, fluency, vocabulary, 86
inferencing, and reading comprehension variables of interest in grade 4:
Descriptive statistics and post hoc comparisons
Table 7. Descriptive statistics and item analyses for different inferencing strategy 93
types
Table 8. The effect of ELL reader group on inference strategy type: Descriptive 94
statistics and post hoc comparisons
Table 9. Study 2 correlation matrix showing relationships among the grouping 102
variables in grade 4 and variables of interest in grade 2
Table 10. The effect of ELL reader group on the cognitive, linguistic, and reading 104
variables of interest in grade 2: Descriptive statistics and post hoc
comparisons
Table 11. The prediction of at-risk reader group in grade 4 using grade 2 variables: 108
Multinomial logistic regression summary
Table 12. Grade 4 skill set summary: Concurrent linguistic and reading profiles 114
of 114 ELL readers at-risk for poor reading comprehension when
compared with typically developing ELLs
Table 13. Grade 2 skill set summary: Retrospective cognitive, linguistic, and 115
reading profiles of ELL readers in grade 2 who by grade 4 are at-risk
for poor reading comprehension
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Chapter 1: Theoretical Perspectives – Reading Comprehension in English Language
Learners (ELLs)
Introduction
Skilled reading comprehension is comprised of an intricate interaction between various
aspects of oral language proficiency, decoding, reading fluency, higher-order processing, cultural
and background knowledge, and the ability to use metacognitive comprehension strategies, to
name a few. The following excerpt from Perfetti and Adlof (2012), captures eloquently this
complexity. This definition is also relevant to second language learners (L2). Yet, L2 learners
often develop their reading and language skills in tandem.
Reading comprehension is widely agreed to be not one, but many things. At the
least, it is agreed to entail cognitive processes that operate on many different
kinds of knowledge to achieve many different kinds of reading tasks.
Comprehension occurs as the reader builds one or more mental representations
of a text message (e.g., Kintsch & Rawson, 2005). Among these representations,
an accurate model of the situation described by the text (Van Dijk & Kintsch,
1983) is the product of successful deep comprehension. The comprehension
processes that bring about these mental representations occur at multiple levels
across units of language: word-level, sentence-level, and text-level. Across these
levels, processes of word identification, parsing, referential mapping, and
inference all contribute, interacting with the reader’s conceptual knowledge
(Perfetti and Adlof, 2012, p. 3).
English language learners (ELLs) are by definition less proficient in the English
language. The task of distinguishing typically developing ELLs from ELLs with reading
difficulties is complex and problematic because it is often unclear whether their poor reading
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ability stems from their developing language skill, or from an underlying problem with their
reading (Geva & Herbert, 2012; Mancilla-Martinez & Lesaux, 2010). Research regarding the
early and accurate identification of ELLs with differing types of poor reading, and in particular
with difficulties involving poor language comprehension, has only of late begun to receive
focused attention. The purpose of this dissertation is to gain insight into the reading difficulties
experienced by ELLs who struggle with their reading through two complementary lines of
investigation. Study 1 examines the concurrent grade 4 reading and language abilities of ELL
readers subtyped as typically developing, or at-risk for poor reading comprehension due to poor
decoding, poor language comprehension, or both. Study 2 investigates the extent to which it is
possible to predict different profiles of ELL poor readers in grade 4 by examining individual
differences on early language and literacy skills, namely, phonological processing, early oral
language proficiency, and reading skills in grade 2. Accurate identification, timely intervention,
and differentiated instruction that is informed by the type(s) of deficits observed, is critical for
ELL children with reading problems if they are to receive the support they need to be good
readers (Fraser, Adelson, & Geva, 2014).
The Simple View of Reading
Two foundational areas that are noted for being particularly important for reading
comprehension are word reading and language comprehension. These areas are parsimoniously
captured in the popular Simple View of Reading model (SVR; Gough & Tunmer 1986). A key
tenet of the SVR that is highly relevant for the present research is that reading comprehension is
the result of the interaction between decoding and language comprehension; adequate ability in
both skills is necessary for successful reading comprehension. Indeed, poor readers have been
identified with good decoding skills but poor language ability, as well as the reverse pattern,
poor decoding skills but good language ability (for review, see Kirby and Savage, 2008). This
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suggests not only the importance of decoding and language in reading comprehension, but also a
distinction between the skills; decoding and language comprehension are two separate abilities.
The SVR model then, is suggestive of three types of poor readers: those with poor decoding,
those with poor language comprehension, and those with varying profiles of poor skills in both
areas.
The specific type of interaction between decoding and language comprehension however,
has been less substantiated. Initial empirical work involving the SVR suggests that the
interaction between decoding and language is multiplicative in nature (e.g., Hoover & Gough,
1990). Hoover and Gough (1990) in their study of 254 English-Spanish bilingual children in
grades 1 through 4, found that the relationship between decoding and language comprehension
was best characterized in a product or multiplicative model, where reading comprehension was
the product of decoding and language comprehension, and that an absence of either skill would
result in difficulties in making meaning from text. That is, excellent decoding is not sufficient to
enable reading comprehension in the absence of language comprehension, and vice-versa,
excellent language comprehension is not sufficient to enable effective reading comprehension in
the absence of decoding skills. Findings of an additive interaction model are also prevalent in the
literature (e.g., Chen & Vellutino, 1997; Dreyer & Katz, 1992; Kershaw and Schatschneider
2012; Lee & Wheldall, 2009; Savage, 2006; for a further discussion see Salceda, Alonso, &
Castilla-Earls, 2014). There are even studies which show evidence that both models
(multiplicative and additive) work equally well (e.g., Joshi & Aaron, 2000). Regardless of the
model considered, it is clear that both skill sets are required for effective reading comprehension,
and that a deficit(s) in either will likely result in diminished reading comprehension capacity.
More recent research has added nuance to the SVR by acknowledging the contribution of
components skills: with decoding examples including naming speed and phonological
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awareness, and language comprehension examples including syntax and vocabulary (Braze et al.,
2016; Chen & Vellutino, 1997; Conners, 2009; Geva & Farnia, 2012; Johnston & Kirby, 2006;
Oakhill & Cain, 2012; Silverman et al., 2015). This nuance is supported by findings that the
cognitive process involved in word reading—which included visual, phonological, and
orthographic-phonological mapping skills required to derive meaning from the printed word—
correlate with reading comprehension concurrently and longitudinally (e.g. Geva & Farnia, 2012;
Gottardo & Mueller, 2009). Likewise, global measures of language comprehension, as well as a
gamut of language comprehension component skills (e.g., vocabulary, morphology, syntax,
semantics, and pragmatics) also contribute to reading comprehension (Babayigit, 2014; Braze et
al., 2016; Droop & Verhoeven, 2003; Farnia & Geva, 2011; Geva, 2006; Hutchinson, Whitely,
Smith, & Connors, 2003; Lam, Chen, Geva, Luo, & Li, 2012; Lesaux, Rupp, & Siegel, 2007;
Proctor, Carlo, August, & Snow, 2005; Verhoeven, 2000). This added nuance to the SVR model
may be of particular importance when considering how the model accounts for sources of
reading comprehension problems stemming from poor decoding, poor language, or both.
Much of the research supporting the SVR has been conducted with learners whose L1 is
English (e.g., Catts, Hogan, & Fey, 2003; Kendeou, van den Broek, White, & Lynch, 2009;
Oakhill & Cain, 2012; Oakhill, Cain, & Bryant, 2003; Tilstra, McMaster, van den Broek,
Kendeou, & Rapp, 2009). In more recent years the SVR has also received ample support with
learners of diverse orthographies, including Latin-based alphabetic orthographies (e.g., Kendeou,
Papadopoulos, & Kotzapoulou, 2013 in Greek; Tobia & Bonifacci, 2015 in Italian; Torppa et al.,
2016 in Finnish; for a review of Latin-based alphabetic orthographies, see Florit & Cain, 2011),
as well as, non-Latin-based orthographies (e.g., Joshi, Ji, Breznitz, Amiel, & Yulia, 2015 in
Hebrew; Joshi, Tao, Aaron, & Quiroz, 2012 in Greek). It has also received support with L2
learners (e.g., Geva & Farnia, 2012; Gottardo & Mueller, 2009; Nakamura, Koda, & Joshi, 2014;
THE LINGUISTIC AND READING SKILLS OF ELLS
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Manis, Lindsey, & Bailey, 2004; Proctor, Carlo, August, & Snow, 2005; Verhoeven, & van
Leeuwe, 2012; Yaghoub-Zadeh, Farnia, & Geva, 2012).
Where findings about the usefulness of the SVR in understanding reading in L1 and L2
diverge however, is the extent to which each decoding and language comprehension, contribute
to reading comprehension. L1 and L2 decoding skills (typically measured through word reading
accuracy and fluency measured using both words and nonwords) tend to correlate with each
other due to underlying common cognitive processes such as phonological awareness and
naming speed (for reviews, see Lervag, Braten, & Hulme; 2009; Melby-Lervag & Lervag, 2014).
Given adequate instruction and time-on-task, typically developing L1 and L2 learners will
perform similarly on word reading tasks. Thus, there is a stability in contribution to early reading
comprehension that can be observed across L1 and L2 learners. The contribution of word reading
skills to reading comprehension diminishes with age however (Whitehurst & Lonigan, 2002),
and other processes essential for reading comprehension, such as inferencing, begin to become
more important. One caveat to this observation though, is age of exposure for L2 learners.
Pasquarella, Gottardo, and Grant (2012) found that when L2 learners began their L2 learning
only in adolescence, both decoding and language played an equally important role in their
reading comprehension even though decoding skills typically do not play a role in adolescent
reading comprehension.
Despite these compelling findings, decoding and language comprehension do not account
for all of the variance observed in reading comprehension. In a recent systematic review
involving 56 studies where the language of focus was English (L1), Salceda et al. (2014)
reported that decoding and language comprehension accounted for an average of 50% of the
variance of reading comprehension, with measurement error explaining an additional 22% (no
similar review could be located involving L2 learners). At the same time, some researchers have
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called for a model of reading comprehension which includes additional factors known to
contribute to reading comprehension, such as working memory, reading fluency, and
metacognitive strategies (Cain, Oakhill, and Bryant, 2004; Hulme and Snowling, 2009; Kirby &
Savage, 2008). For example, Cain, Oakhill, and Bryant (2004) found in their research involving
the relationship between working memory and reading comprehension in English monolingual
children aged 8, 9, and 11, that at each time point working memory and higher level component
skills of reading comprehension such as inference making, predicted unique variance in reading
comprehension beyond decoding and language comprehension. In a similar vein, Hulme and
Snowling (2009) note the importance of inferencing making and metacognitive factors for
reading comprehension that account for variance beyond decoding and language.
In the literature it has also argued that an expanded SVR might also be warranted for L2
learners (Geva & Farnia, 2012; Pasquarella, Gottardo, & Grant, 2012; Yaghoub-Zadeh, Farnia,
& Geva, 2012). For example, Geva and Farnia (2012) conducted a longitudinal study with ELL
children from different linguistic backgrounds in grades 2 to 5. The SVR framework was helpful
in understanding which factors distinguished L2 learners with good English comprehension from
those who struggled; results indicated that word reading skills and language skills in English
predicted English reading comprehension concurrently and longitudinally. In support of an
expanded view however, their findings also indicated that word- and text-level reading fluency
assessed in grade 5 were significant predictors of English reading comprehension (in addition to
word reading and language skills). Yaghoub-Zadeh, Farnia, and Geva (2012) in their study
involving 308 ELLs from differing linguistic backgrounds arrived at similar conclusions
regarding the inclusion of fluency in an expanded view of the SVR. They examined the
mediating role of grade 2 word-level reading skills in the relationship between grade 1
phonological awareness, naming speed, and listening comprehension, and grade 3 reading
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comprehension and reading fluency. They concluded that the development of reading in ELLs
was better understood when reading fluency was added to the SVR equation. (See the section on
reading fluency for a more detailed discussion about the role of fluency in reading
comprehension). Overall, results suggest that the SVR framework, and even more so, an
expanded framework, works for monolinguals. SVR components are also applicable where L2
samples are concerned, but the relationships are not identical to those of L1 learners. When
applying the model to L2 populations additional factors play a role because L2 learners by
definition perform more poorly on various components of language comprehension (for review
see Jeon & Yamshita, 2014), as well as because depending on the onset of exposure, decoding
may continue to play an important role even into adolescence (e.g., Pasquarella et al., 2012).
More research is needed to clarify how the SVR model might be adapted in light of the unique
characteristics and differences observed in L2 learners, in terms of predictors of reading
comprehension.
The Cognitive Processes Involved in Word Reading
Several underlying cognitive processes are needed for efficient word reading. These
processes include phonological awareness (PA), rapid automatized naming (RAN), and working
memory (for review, see Wagner & Torgesen, 1987). PA is the ability to recognize and
manipulate the sound parts of language (Goswami & Bryant, 1990). Numerous studies have
shown PA to be one of the most powerful predictors of current and later reading success, directly
for word reading, and indirectly for reading comprehension through word reading (Bradley &
Bryant, 1983; Wagner et al., 1997; for reviews, see Kirby, Desrochers, Roth, & Lai, 2008;
Melby-Lervag, Lyster, & Hulme, 2012). In addition to being important for English word reading,
researchers have also observed the importance of PA for word reading in languages as diverse as
Greek, Hebrew, Czech, Cantonese, Mandarin, Turkish, French, Japanese, and Spanish (Aidinis
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& Nunes, 2001; Ben-Dror, Bentin, & Frost, 1995; Caravolas & Bruck, 1993; Cheung, Chen, Lai,
Wong, & Hills, 2001; Durgunoglu & Oney, 1999; Morita & Tamaoka, 2002; for reviews, see
Geva & Wang, 2001; Ziegler & Goswami, 2005). It appears that regardless of type of
orthography—alphabetic (e.g., English, Spanish), syllabic (e.g., Japanese Katakana), or
logographic (e.g., Mandarin, Cantonese)—an understanding of the sound components of words
is a critical component of word reading. Accordingly, PA is also of great importance when
reading in an L2, and there is plenty of research supporting this finding that includes: L2 PA
predicting L2 word reading, but also L1 PA predicting L2 word reading (for review, see Melby-
Lervag & Lervag, 2011), with the degree of relationship varying dependent on the typological
similarities and differences observed between the L1 and L2 (to name one factor; Branum-
Martin, Tao, Garnaat, Bunta, & Francis, 2012 also note other mitigating factors). Generally,
stronger relationships can be observed on initial word reading learning when the L1 and L2 are
more typologically similar (e.g., English and Spanish, or English and French), than when they
are more typologically distant (e.g., English and Chinese) (Branum-Martin et al., 2012; Melby-
Lervag & Lervag, 2011). That said, with experience and practice in the L2, these differences
gradually diminish (Gottardo, Pasquarella, Chen, & Ramirez, 2015).
RAN (rapid automatized naming or naming speed) is the ability to name quickly and
accurately familiar stimuli such as objects, colors, digits, or letters. RAN is considered a
cognitive index of the speed of access of the phonological and orthographic information held in
memory, which is needed for the efficient decoding of words. Naming speed tasks assess how
quickly and effectively this type of information is retrieved from long-term memory. Because
efficient word recognition is a necessary prerequisite of reading comprehension, the speed at
which children decode words (i.e., their reading fluency) affects their reading comprehension.
Consequently, RAN is not only important for word reading, but also for text reading fluency, and
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reading comprehension. Similar to findings in the PA literature, naming speed is predictive of L1
word reading (where RAN and word reading are measured in the same L1; e.g., Johnston &
Kirby, 2006; Joshi & Aaron, 2000; Kirby, Parrila, & Pfeiffer, 2003), L2 word reading (where
RAN and word reading are measured in the same L2; e.g., Chung & Ho, 2010; Geva & Farnia,
2012; Zadeh, Farnia, & Geva, 2012), and across languages (where RAN is measure in L1 and
word reading in L2, or vice-versa; e.g., Keung & Ho, 2009; Pae, Sevcik, & Morris, 2010;
Pasquarella, Chen, Gottardo, & Geva, 2015; Shum, Ho, Siegel, & Au, 2016; for review, see
NELP, 2008).
Working memory is “the ability to store information while simultaneously carrying out
processing operations” (Nouwens, Groen, & Verhoeven, 2016, p. 2). Like RAN, working
memory has complex roles supporting reading at both the word- and text-levels (Christopher et
al., 2012). One popular interpretation of the importance of these roles is that working memory is
developmental in nature in that working memory begins to predict reading comprehension once
word reading has been mastered (Seigneuric & Ehrlich, 2005). Although an in-depth discussion
of these roles is beyond the scope of this review, a brief mention of both roles is worthy. In early
reading development, much effort is devoted to actively decoding the printed word. Working
memory is critical for analyzing and recalling the grapheme-phoneme units for each segment of
the word, and holding that information in memory until the whole word has been decoded
(Verhoeven, Reitsma, & Siegel, 2011). Research with L2 learners has shown that working
memory, although important, is less important for word reading in the early grades for ELLs
when compared to L1 learners. This difference decreases over time however and as ELLs
become more proficient in the English, and working memory becomes a more important
predictor of their word reading (Farnia & Geva, 2013; Lesaux & Siegel, 2003).
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At the level of comprehension, working memory is additionally important for keeping
explicit and implicit information available while meaning-making occurs, and this appears to be
true of L1 learners (Alptekin & Ercetin, 2010; Cain, Oakhill, & Bryant, 2004; Christopher et al.,
2012) and also L2 learners (Farnia & Geva, 2013; Geva & Ryan, 1993; Geva & Siegel, 2000;
Nouwens, Groen, &Verhoeven, 2016). The contribution of working memory is particularly
evident when higher-order processing skills are needed, for example in inferencing (e.g.,
Alptekin & Ercetin, 2010; Cain, Oakhill, & Bryant, 2004; Harrington,1992), and when
processing syntactically complex sentences (Farnia & Geva, 2013). Recent research in the area
of working memory with L1 learners has focused on understanding the different roles of working
memory in word reading and reading comprehension. For example, in a study involving 483
English monolingual children of varying ages, Christopher et al. (2012) found that: (a) working
memory is a unique predictor of both word reading and comprehension; and (b) contrary to the
popular belief that working memory is more important for reading comprehension than word
reading (Christopher et al., 2012), working memory is equally important for both reading
abilities. The extent to which this distinction is also true for L2 learners has yet to be
investigated. Nonetheless, L1 and L2 findings related to working memory point to the
fundamental importance of working memory for reading (e.g., Geva & Ryan, 1993; Geva &
Siegel, 2000).
Relevant to the current research is the general finding that for each of these three
cognitive processes (PA, RAN, and working memory), typically developing L2 primary school
children tend to perform on par (or sometimes even better) than L1 learners despite lower
performance on language and reading comprehension measures (Chiappe, Siegel, & Gottardo,
2002; Chiappe, Siegel, & Wade-Woolley, 2002; D’Angiulli, Siegel, and Serra, 2001; Geva &
Farnia, 2012; Jongejan, Verhoeven, & Siegel, 2007; Lesaux & Siegel, 2003). Moreover, children
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who receive adequate exposure, and systematic and explicit instruction in English language and
reading instruction can obtain accurate word reading skills that are similar to that of their L1
peers (Abu-Rabia and Siegel, 2002; Farnia & Geva, 2013; Lesaux & Siegel, 2003; see Geva,
2006 for a systematic review). Studies based on ELLs from multiple language groups (e.g.,
Punjabi, Urdu, Portuguese, Spanish, Italian, Chinese) have also demonstrated word reading and
decoding skills that do not differ from the skills of students whose L1 is English (e.g., Geva,
2006; Geva, Yaghoub-Zadeh, & Schuster, 2000).
These findings make the task of identifying ELL children with pure word reading
difficulties somewhat more straightforward, but this is not the case when considering ELL
children with language difficulties. Because of their developing language skill, it is difficult to
tease apart the decreased command of English language skills that is commensurate with typical
L2 development from developmental issues with language that are above and beyond what
would be considered typical (this topic is discussed in further detail in the section related to oral
language proficiency and reading comprehension in ELLs).
Sources of difficulties in word reading. Children who have persistent difficulties in
their word reading skills in spite of quality teaching and practice constitute a group of students
referred to as dyslexic or poor decoders. In addition to difficulties in developing accurate and
fluent word recognition and decoding skills, these children have difficulties with PA, RAN,
and/or phonological short-term memory (the ability to hold phonological/verbal information
temporarily in mind). L1- and L2-based research findings consistently reveal that these common
underlying cognitive processes play a direct role in their reading difficulties and acquisition of
word reading skills in L1 (Geva et al., 2000; Ndlovu, 2010; Lesaux & Geva, 2006; Lipka &
Siegel, 2012; McBride-Chang, Liu, Wong, Wong, & Shu, 2012; Ramus, 2013; Shaywitz &
Shaywitz, 2005; Swanson, Zheng, & Jerman, 2009; for reviews, see Melby-Lervag, Lyster, &
THE LINGUISTIC AND READING SKILLS OF ELLS
12
Hulme, 2012; Vellutino, Fletcher, Snowling, & Scanlon, 2004), and in L2 (Chung & Ho, 2009;
Chung, Lo, Ho, Xiao, & Chan, 2014; Geva & Herbert, 2012; Verhoeven et al., 2011). It appears
that the difficulties experienced by learners with dyslexia in their word reading performance and
on cognitive tasks measuring various aspects of phonological processing (i.e., PA, RAN,
phonological short term memory), reflect a basic deficit in their ability to represent accurately
and efficiently phonological information in the brain (Hulme & Snowling, 2009; Szenkovits &
Ramus, 2005). What is still not entirely agreed upon after years of research in the area however,
is what specific aspects of those phonological representations, are most important for word
reading learning (Melby-Lervag, Lyster, & Hulme, 2012; Vellutino et al. 2004).
Melby-Lervag, Lyster, and Hulme (2012) sought to explore this issue in their review of
235 L1 studies (predominantly L1 English) examining predictors of word reading. They found
that although phonemic awareness, rime awareness, and verbal short-term memory were reliable
correlates of individual differences in children’s word reading skills, that phonemic awareness
was the largest unique predictor (Melby-Lervag, Lyster, & Hulme, 2012). Melby-Lervag, Lyster,
and Hulme (2012) concluded that a “failure to develop such phonemically structured
phonological representations is a principal cause of the difficulties in learning to read
experienced by children with dyslexia” (Melby-Lervag, Lyster, & Hulme, 2012, p.341).
Interestingly, naming speed (i.e., RAN)—a usual suspect involved in difficulties with word
reading—was not included as a predictor of interest in this review.
Naming speed deficits are widely accepted for their role in the word reading difficulties
observed in children with dyslexia (e.g., Kirby, Parrila, & Pfeiffer, 2003; Steacy, Kirby, Parrila,
& Compton, 2014; Wolf & Bowers, 1999). The Double Deficit Hypothesis approach to
understanding dyslexia (Wolf & Bowers; 1999) suggests three distinct subtypes of poor word
readers: those with phonological deficits, those with naming speed deficits, and those with a
THE LINGUISTIC AND READING SKILLS OF ELLS
13
double deficit having both phonological and naming speed deficits. This inclusion of RAN in the
profile of dyslexic children is well supported in the research (Katzir, Kim, Wolf, Morris, and
Lovett, 2008; King, Giess, and Lombardino, 2007; Kirby, Parrila, & Pfeiffer, 2003; Lovett,
Steinbach, & Frijters, 2000; Steacy, Kirby, Parrila, & Compton, 2014). Indeed, children with
pure phonological problems (and no naming speed difficulties), as well as children with pure
naming speed problems (and no phonological problems) do exist, in addition to those with a
double-deficit in both skills. Naming speed as an indicator of word reading problems cannot
simply be disregarded. The current study aims to address the role of both of these predictors (i.e.,
PA and naming speed) in its investigation of potential sources of poor reading in ELL children.
Because the cognitive deficits associated with dyslexia are not language-specific (i.e., a
child with dyslexia will have difficulties in word reading regardless of the language(s) they
speak, and those difficulties will be observed in their L1, L2, etc.), similar cognitive profiles
between L1 and L2 students who have word reading problems can be expected. This means that
children with word reading problems can be assessed and accurately identified in the L2, and
without the need for information about their performance on diagnostic tasks in the L1 (Everatt,
Smythe, Adams, & Ocampo, 2000; Guron & Lundberg, 2003; Lesaux & Geva, 2006). This
supposition is particularly useful when considering children who live in multi-cultural and multi-
lingual contexts like those found in Canada, where L2 learners can come from many different
home language backgrounds, for which many, reliable L1 tasks are not available.
Oral Language Proficiency and Reading Comprehension
Oral language skills provide the foundation for learning to read and are critical for
reading comprehension (Chall, 1996). Listening comprehension, syntactic knowledge,
morphological skills, and vocabulary knowledge are all components of language proficiency that
are important for reading comprehension in L2 children (e.g., Au-Yeung, Hipfner-Boucher,
THE LINGUISTIC AND READING SKILLS OF ELLS
14
Chen, Pasquarella, & D’Angelo, 2015; Babayigit, 2014; Droop & Verhoeven, 2003; Farnia &
Geva, 2011; Geva, 2006; Geva & Farina, 2012; Hutchinson, Whitely, Smith, & Connors, 2003;
Kieffer, 2012; Lam, Chen, Geva, Luo, & Li, 2012; Lesaux, Rupp, & Siegel, 2007; Proctor,
Carlo, August, & Snow, 2005; Verhoeven, 2000). Yet, many typically developing L2 children
struggle with their L2 reading comprehension when compared to their monolingual counterparts
despite the fact that they can learn to read words with accuracy and fluency similar to that of L1
learners (August, Carlo, Dressler & Snow, 2005; Geva & Farnia, 2012; Farnia & Geva, 2013;
Lesaux & Geva, 2006). Individual differences observed in word reading are not enough to
explain the reading comprehension difficulties that L2 learners tend to experience. Consequently,
researchers have turned to the language comprehension component of reading to understand why
and how ELLs might be lagging. Two components of language relevant to the current research
are vocabulary knowledge and syntactic awareness.
Vocabulary knowledge is a key component of oral language proficiency, and some
research suggests that it may be one of the strongest predictors of reading comprehension for
ELLs (August et al., 2005; Farnia & Geva, 2013; Geva & Farnia, 2012; Proctor, Carlo, August,
& Snow, 2005). Vocabulary development is also an area where many ELLs show delays, and
these delays can impact their reading comprehension (Au-Yeung et al., 2015; Farnia & Geva,
2011; 2013; Hutchinson, Whitely, Smith, & Connors, 2003; Kieffer, 2012). For example, Farnia
and Geva (2011) in their research involving the vocabulary development of ELLs and English
monolinguals, found that ELLs consistently lagged in their vocabulary development when
compared to their monolingual peers. They observed a gap in vocabulary at each measurement
point from grades one through six, with the gap between ELLs and EL1s (English as a first
language) being larger in the early years. Specifically, vocabulary growth was steeper in the first
three years, and while the gap decreased over time, it did not close even by grade 6. Au-Yeung et
THE LINGUISTIC AND READING SKILLS OF ELLS
15
al. (2015) noted similar results in their work comparing English monolinguals and ELLs in a
French immersion context. In this context English monolinguals are receiving instruction in
English (their L1) and also French (L2), while ELLs are receiving instruction in English (their
L2) and French (L3). They observed that English monolinguals outperformed ELLs on English
vocabulary at four time points across grades 1 through 3, despite a more rapid vocabulary growth
by the ELLs. That said, this lag did not translate into poor reading comprehension, at least not
yet; the ELLs performed similarly to English monolinguals on reading comprehension in grades
2 and 3. In their examination of children in slightly older grades, Farnia and Geva (2013) found
that the gap in vocabulary development played a substantial role in reading comprehension
development in grades 4, 5, and 6 with ELLs performing below the EL1s on reading
comprehension tasks. This suggests that the impact of poorer vocabulary on reading
comprehension may not be evident until the later grades when decoding skills are mastered, texts
become more difficult and more demanding linguistically, and the instructional focus switches
from learning to read, to reading to learn (Chall, 1996). Kieffer’s (2012) longitudinal study,
which followed Spanish-speaking ELLs from kindergarten to grade 8, found that English
expressive vocabulary was a better predictor of later English reading comprehension for Spanish
ELLs than performance on listening comprehension or story retells. Vocabulary appears to be at
least one area of language that is especially important for L2 English reading comprehension. It
may also be a potential source of difficulty for ELL readers who are experiencing problems with
their language development (beyond what would be considered typical) that impacts their
reading comprehension.
Syntactic awareness, the ability to manipulate and reflect on the grammatical structure of
language, also appears to be an important skill for reading comprehension in ELLs (Babayigit,
2014; Geva & Farnia, 2012; Grabe, 2009; Lesaux, Lipka, & Siegle, 2006; for review, see Jeon &
THE LINGUISTIC AND READING SKILLS OF ELLS
16
Yamashita, 2016). Geva and Farnia (2012) compared longitudinally (from grade 2) and
concurrently (grade 5) the role of syntactical skill and vocabulary between ELLs and English
monolinguals. They found that syntactic skill in grade 5 was an important predictor for ELL
reading comprehension, as was vocabulary and listening comprehension. In contrast, only
vocabulary was a pivotal predictor for the English monolinguals where components of language
were concerned. They interpreted these findings to mean that ELLs may need to rely on a more
differentiated set of language component skills when reading for meaning, when compared to
English monolinguals. Babayigit (2014) examined the role of oral language (i.e., vocabulary and
morphosyntax) in the English reading comprehension of L1 English and L2 English children of
varying home language backgrounds who were 10 years old. They found that vocabulary and
morphosyntax most strongly predicted reading comprehension after accounting for age,
cognitive ability, working memory, word reading accuracy, and text reading fluency; and that
vocabulary and morphosyntax made similar sized contributions to reading comprehension
(Babayigit, 2014). In their meta-analysis of 59 studies which examined the roles of 10 key
reading component variables in L2 English reading comprehension, Jeon and Yamashita (2014)
observed that grammar (i.e. syntax), vocabulary knowledge, and decoding (all measured in L2)
were the three strongest correlates of L2 reading comprehension. In sum, it appears that syntactic
awareness and also vocabulary are, in the least, two important components of oral language
required for effective reading comprehension by L2 English learners. Performance on vocabulary
and syntax may be good indicators to consider when trying to establish which ELLs are
following a typical trajectory in their language development, and which ones are following a
trajectory that represents a real problem with language that is unrelated to their L2 status; there is
considerable evidence that difficulties with grammar are a prominent characteristic of children
with language impairment (e.g., Anderson & Lockowitz, 2009).
THE LINGUISTIC AND READING SKILLS OF ELLS
17
Language impairment and poor comprehension. Despite the fact that ELL children lag
in their language development in a number of areas like those discussed above, and that these
delays may impact their reading comprehension, there are also ELL children who have language
difficulties that are over and above what would be considered typically developing for second
language development. The extent to which ELLs with atypical language problems also struggle
in their reading comprehension due to their poor language skills is not a well-researched area. It
appears that these children are not a homogeneous group, and the variety of terminology used for
these at-risk learners reflects this lack of homogeneity. There are some ELL children who have
good decoding ability but difficulties in various components of language and higher-order
processing skills resulting in poor reading comprehension. In the L2 literature, one can find
reference to these children as: poor comprehenders, unexpected poor comprehenders (D-Angelo
& Chen, 2016; Geva & Massey-Garrison, 2013; Li & Kirby, 2014; Tong, Deacon, Kirby, Cain,
& Parrila, 2011), hyperlexic (Joshi, Padakannaya, & Nishanimath, 2010; Sparks, 2015), or
reading comprehension impaired (Snowling & Hulme, 2012). There also children who have
phonological processing problems in addition to their language deficits, and this compound
deficit has a serious impact on their word reading and reading comprehension skills (Farnia &
Geva, 2012, in preparation; Geva & Farnia, 2015; Peterson & Gillam, 2013); these at-risk
children are generally referred to as having a language impairment or specific language
impairment. In some of the literature, they are also referred to as garden-variety poor readers
(Bishop & Snowling, 2004; Stanovich, 1988). It would appear then that there are at least two
subtypes of children with language problems: those with language problems in the absence of
decoding problems (referred to as poor language comprehenders in the current research), and
those with language problems in addition to difficulties in decoding (referred to as multi-deficit
at-riskers in the current research).
THE LINGUISTIC AND READING SKILLS OF ELLS
18
Poor comprehenders are defined by their poor reading comprehension despite accurate
and fluent word reading and after accounting for age and cognitive ability (Li & Kirby, 2014;
Tong, Deacon, Kirby, Cain, & Parrila, 2011). When considering this definition through the lens
of the SVR (Gough & Tunmer, 1986), it would seem likely that the source(s) of their reading
comprehension problems are with the language component of reading. As discussed earlier
though, the SVR does not account for all of the variance associated with reading comprehension,
so it is possible that these at-risk learners may also experience difficulties that may include
components of reading comprehension beyond language. Li and Kirby (2014) found that in
addition to their problems with language, which included difficulties in vocabulary breadth and
depth, listening comprehension, morphological awareness; poor comprehenders also had
difficulties with coherence and elaborative inferences, and other reading strategies like finding
the main idea, predicting, and summarizing. Geva and Massey-Garrison (2013) also found that
their poor comprehenders had difficulties with various aspects of language and inferencing (this
and the Li & Kirby study are discussed in more depth in the inferencing section of this chapter).
More research is needed to examine the scope of the difficulties experienced by ELL poor
comprehenders, which appear to include a variety of issues with language but also problems with
higher-order skills and strategies. What is clear however (and what differentiates poor
comprehenders from children with language impairment), is that they appear to experience no
difficulties in naming speed, phonological awareness, or orthographic awareness and as a result,
have good word reading skills (Geva & Massey-Garrison; Tong et al., 2011).
Children with language impairment are defined by their pervasive difficulties in language
development. Asikainen (2005) defines language impairment as “a disorder characterized by
failure to acquire normal language at an appropriate age despite adequate hearing and normal
nonverbal intelligence (Holopainen, Korpilahti, Juottonen, Lang, & Sillanpaa, 1997)” (p. 17). In
THE LINGUISTIC AND READING SKILLS OF ELLS
19
addition to a few studies which focus solely on the language differences between ELLs with and
without language impairment (Paradis, Schneider, & Duncan, 2013; Verhoeven, Steenge & van
Balkom, 2012); there is a small but growing body of research which focuses on the reading
difficulties experienced by L2 learners with language impairment (Erdos, Genesee, Savage,
Haigh; 2013; Farnia and Geva, 2012, in preparation; Peterson and Gillam, 2013). Like findings
from the L1 (for reviews, see Bishop & Snowling, 2004; Snowling & Hulme, 2012), this L2
research suggests that ELL children with language impairment experience difficulties with both
the phonological and nonphonological components of language, and that this affects their
learning to read.
Erdos et al. (2013) explored the L1 and L2 language and reading skills of L1 English
children learning L2 French in kindergarten and grade 1. There were two primary goals of their
study: (1) to investigate the extent to which L1 abilities could effectively predict later L2
language and reading difficulties, and (2) to examine whether reading and language impairment
comprise different risk profiles in L2 children. They found that L1 PA, naming speed, and letter-
sound knowledge were significant predictors of risk in L2 reading (both word reading and
reading comprehension); while L1 PA and grammar (sentence repetition and tense marking)
were the best predictors of L1 and L2 oral language difficulties. They concluded that there are
distinct profiles for L2 children experiencing difficulties in language and reading, and that these
difficulties can be accurately predicted by relying on performance on L1 tasks (Erdos et al.,
2013). Peterson and Gillam (2013) also examined L1 and L2 predictors of reading
comprehension in Spanish-English bilinguals in kindergarten and grade 1. Contrary to Erdos et
al. (2013), they found that L1 Spanish measures did not predict reading difficulties in grade 1
over and above the English L2 measures. They did find however that, as expected, oral language
skills significantly predicted reading comprehension difficulties in grade 1. Farnia and Geva
THE LINGUISTIC AND READING SKILLS OF ELLS
20
(2012) examined a model for identifying early- (grade 1) and later-emerging (grade 3) language
impairment in L1 and L2 English learners. Generally, they found that there were different early
and later predictors of impairment status. Specifically of the grade 1 predictor variables, working
memory and naming speed reliably distinguished the groups with and without later-emerging
language impairment (in both L1 and L2). In addition, by grade 3, phonological short-term
memory and vocabulary reliably distinguished these groups. They concluded that regardless of
L1-L2 status, it is possible to identify children at-risk for developing later-emerging language
impairment as early as grade 1 (Farnia & Geva, 2012). Collectively, these studies suggest that it
is possible to discern between ELLs with and without language impairment, even while their L2
language proficiency is still developing. Further, it seems clear that L2 children with language
impairment experience a range of issues with their language and phonological processing, and
these difficulties are reflected in their lack of ability to develop good word reading and reading
comprehension skills.
It is important to note that children with dyslexia and language impairment typically
share a common risk for word reading problems that can be traced back to difficulties in
phonological processing (Snowling & Hayiou-Thomas, 2006). Historically, it has been suggested
that due to continuities in the cognition and behaviour among children with these diagnoses,
children with dyslexia and children with language impairment may constitute a similar group of
at-risk children; there are many dyslexic children that are also diagnosed as language impaired
(for a further discussion of this issue, see Bishop & Snowling, 2004; Snowling & Hulme, 2012).
A similar argument could be presented for children identified as poor comprehenders, and those
diagnosed as language impaired (based on similarities in their language difficulties). Currently, it
is generally accepted that dyslexia and language impairment are two distinct subtypes of learning
disorders (DMS-V), and that despite earlier arguments suggesting that these two groups are
THE LINGUISTIC AND READING SKILLS OF ELLS
21
located on one continuum (Catts, 1991; Kamhi & Catts, 1986), the two profiles cannot simply be
captured by a simple “gradient of severity” on phonological processing (Bishop & Snowling,
2004, p. 858). Snowling and Hulme (2012) make a similar argument for the inclusion of reading
comprehension impairment as a distinct reading disorder; presently, this distinction is not
included in the DSM-V. It is arguable that by differentiating children who are dyslexic, poor
comprehenders, or language impaired, and considering them as distinct groups of at-risk children
based on their decoding and language abilities, a better understanding of the sources of their
difficulties can be gained such that differentiated instruction can be provided to address their
deficits and support their reading development. Evidence indicates that remediation for children
with reading and/or language impairment is most effective when it targets the child’s specific
deficit(s) (Scammacca, Roberts, Vaughn & Stuebing; Snowling, 2013; Vaughn et al., 2008).
More is known about the predictors and profiles of ELL poor decoders (i.e., children with
dyslexia) and to some extent, poor comprehenders. Much less is known about ELL children with
compound difficulties in word reading and language comprehension (i.e., children with language
impairment). This dissertation adds to the research by also examining this multiple deficit group,
and contrasting them with children at-risk for poor reading comprehension due to pure decoding
problems, and children at-risk for poor reading comprehension due to pure language problems.
Given that decoding and language comprehension are perhaps the two most important
foundational skills for reading, it is expected that all three at-risk ELL subtypes (poor decoding,
poor language comprehension, and combined poor decoding and language comprehension)
would have serious and pervasive difficulties with their English reading comprehension. By
examining the profiles and predictors of children classified by their abilities in word reading and
language comprehension, we may better understand the components of those overarching skills
that are the source(s) of their reading comprehension difficulties. That said, there may be
THE LINGUISTIC AND READING SKILLS OF ELLS
22
additional skills on which these at-risk readers struggle that fall outside the umbrellas of
decoding and language, that are worthy of consideration. Two additional areas of potential
importance investigated in the current research are reading fluency and inferencing.
The Importance of Reading with Fluency
Fluency, the “ability to read orally with speed, accuracy and proper expression” (NICHD,
2000), is one of the defining features of good readers. Components of fluency include: accuracy,
rate, and prosody (i.e., stress, intonation, tone, pauses, and expression of a language). Fluent
readers recognize words automatically, read aloud effortlessly and with expression, and
understand what they read. Fluency plays a critical role in reading comprehension because being
able to read accurately and with speed, the two “hallmarks” of fluency, ensures that adequate
cognitive and processing resources are available for reading comprehension (Perfetti, 1985;
2007; Perfetti & Hart, 2002). When children begin to read, their oral reading is not smooth; it is
slow, effortful, and resource intensive (Schwanenflugel, Meisinger, Wisenbaker, Kuhn, Strauss,
& Morris, 2006). Early readers need to focus on using phonological and orthographic processing
routes to decode and recognize words (Coltheart, Rastle, Perry, Langdon, & Ziegler, 2001). With
time and practice however, word recognition becomes faster, and then automatic, such that the
attentional resources once used for word reading can be redirected to the complex processes
involved in reading comprehension. Indeed, automatic word recognition (i.e., word reading
fluency) is considered one of the limiting factors in reading comprehension (Schwanenflugel et
al., 2006).
Historically, fluency has been operationalized differently across the literature, with some
studies using a broad definition for fluency that considers fluency as one construct, and other
studies examining fluency by its potential constituent parts, for example word-level reading
fluency and fluency in reading connected text. As a result, research findings about the
THE LINGUISTIC AND READING SKILLS OF ELLS
23
contributions of reading fluency to reading comprehension are inconsistent (Veenendaal, Groen,
& Verhoeven, 2015). On the one hand, Adlof, Catts, and Little (2006) in their study with 604
English monolingual students in grades 2, 4, and 8 found that reading fluency did not account for
variance in reading comprehension after accounting for word reading accuracy and listening
comprehension. They concluded that: (1) word- and text-level reading fluency formed one
construct and were not different from each other in any meaningful way, and (2) reading fluency
did not account for variance observed in reading comprehension beyond the contributions of
decoding and language comprehension (Adlof, Catts, & Little, 2006). Schwanenflugel et al.
(2006) came to similar conclusions in their study with children in grades 1, 2, and 3. No
contribution was observed in text-level reading fluency to reading comprehension separate from
that already encompassed in word-level reading fluency. They did however acknowledge a
developmental perspective suggesting that the children in their study were perhaps not old
enough to observe the separation of fluency into two factors that might occur at an older age
(Schwanenflugel et al., 2006).
Conversely, more recent studies suggest that word- and text-level fluencies although
related, are different constructs with similar underlying processes, and as a result, they can
impact reading comprehension in different ways. For example, Kim and Wagner (2015) in their
longitudinal study with English monolinguals in grades 1 through 4, found that text-level reading
fluency contributed to reading comprehension over and above word-level reading fluency and
listening comprehension, and was facilitative in reading only once children had developed a
certain level of word reading proficiency. They also found that the role played by these
component skills of reading comprehension (word-level reading fluency, text-level reading
fluency, and listening comprehension) changed with time (Kim &Wagner, 2015); in grade 1
reading comprehension was largely explained by word-level reading fluency and listening
THE LINGUISTIC AND READING SKILLS OF ELLS
24
comprehension. In grade 2, listening comprehension became more strongly related to reading
comprehension and text-level reading fluency began to make an independent contribution. A
similar pattern was observed in grades 3 and 4 with listening comprehension and text-level
reading fluency becoming stronger over time (Kim &Wagner, 2015).
Interestingly, Geva and Farnia (2012) made complimentary observations in their study
with ELL and EL1 (English as a first language) students in grades 2 and 5. Regardless of
language status (ELL or EL1), grade 2 word-level and text-level reading fluency formed a single
factor, and by grade 5 two distinct factors could be observed, one involving word reading
fluency and another involving text reading fluency. Importantly, they reported that by grade 5,
unlike word-level reading fluency, text-level reading fluency was associated with language
comprehension, and accounted for unique variance in grade 5 reading comprehension after
accounting for grade 2 autoregressors, and in particular, after accounting for word-level reading
fluency. In other words, it appears that word-level reading fluency and connected-text reading
fluency overlap in their requirement for efficient word recognitions skills. Where these two
fluency skills diverge though, is in their reliance on language and when this reliance emerges. In
higher grades, text-level reading fluency processes rely on language comprehension skills such
as vocabulary, grammatical knowledge, and listening comprehension. These aspects of language
comprehension predict unique variance in reading comprehension beyond what word-level
fluency processes predict. In other words, the construct of text-level reading fluency changes
with its increased reliance on language demands, and that is when text-level reading fluency
becomes a unique predictor of reading comprehension. It should be noted that text-level reading
fluency, like reading comprehension, can only be assessed by requiring the reading of connected
discourse (and often the same texts), so there is an inherent confounding effect that needs to be
THE LINGUISTIC AND READING SKILLS OF ELLS
25
acknowledged in its measurement (Jenkins, Fuchs, van den Broek, Epsin, & Deno, 2003;
Yaghoub-Zadeh, Farnia, & Geva 2012).
Research suggests that reading fluency appears to be essential in, at least, three different
levels for reading: sublexical level (sublexical referring to the constituent parts of a word), word
level, and text level. First, at the sublexical level, rapid automatized naming (RAN) or naming
speed is the ability to rapidly and accurately name familiar stimuli such as objects, colors, digits,
or letters repeatedly. Naming speed, well established for its role in word reading, is regarded as a
predictor of fluency (Kirby, Parrila, & Pfeiffer, 2003; Wolf & Katzir-Cohen, 2001). RAN has
been found to contribute to young reader’s current and later reading comprehension directly, but
also indirectly through word reading (e.g., Johnston & Kirby, 2006; Joshi & Aaron, 2000; Kirby,
Parrila, & Pfeiffer, 2003). For example, Joshi and Aaron (2000) used naming speed as a proxy
for fluency in their study examining reading comprehension in 4th grade English monolinguals.
They found that letter naming speed accounted for 10% of the unique variance in fourth grade
reading comprehension after controlling for nonword reading accuracy and listening
comprehension. RAN has also been implicated as one of the primary sources of deficit in
children with word reading problems (i.e., dyslexics or poor decoders), the other being
phonological awareness. Kirby, Parrila, and Pfeiffer (2003) found that children with poor naming
speed in kindergarten had difficulties with comprehension (and word reading) that continued
throughout their elementary school years until grade 5. They concluded that the relationship
between naming speed and reading comprehension was likely through fluency. In short, naming
speed is required for fluency, and fluency is required for comprehension (Wolf & Katzir-Cohen,
2001).
Second, reading fluency is also necessary for reading at the word level. Word-level
reading fluency entails the automatic (accurate and quick) recognition of printed words. It is
THE LINGUISTIC AND READING SKILLS OF ELLS
26
often measured through the timed reading of lists of words. Automaticity in word reading is
thought to be critical in reading comprehension because the ability to recognize printed words
without much effort allows for cognitive resources to be allocated towards other goals, for
example higher-order processing skills (e.g. inferencing) and metacognitive strategies (e.g.,
comprehension monitoring). Several theories attempting to reconcile the relationships between
lower-level processes at the word level, and higher-level processes at the text level using notions
about fluency are noteworthy. Automaticity theory (LaBerge & Samuels, 1974) posits that
accuracy develops before speed, and that fluency or efficiency is gained when a reader can read
words both accurately and fast, that is, automatically. Verbal efficiency theory emphasizes the
importance of effective lexical retrieval processes and the impact on individual differences in
reading comprehension (Perfetti, 1985). More recently, the lexical quality hypothesis has added
to these theories by highlighting the quality of lexical representations. Perfetti argues that reading
comprehension depends not only on the quantity, but also the quality of the lexical
representations of words, and that it is this quality of representations that facilitates fluency. A
reader with a good breadth (quantity) and depth (quality) of vocabulary knowledge (that is, a
large lexicon) associated with many high-quality phonological and orthographic representations,
can read text with less effort and make faster word-to-text integrations (Perfetti, 2007; Perfetti &
Hart; 2002; Segers & Verhoeven, 2016).
As previously discussed, the third level of fluency is the text-level. Text-level reading
fluency is the fast and accurate reading of connected text. Less is known about the intricacies of
text-level reading fluency. It is thought to primarily develop from word-level reading fluency
(Ehri, 2002; Kim; NICHD, 2000), but as discussed above, language comprehension also plays a
role (Geva & Farnia, 2012; Kim & Wagner, 2015). Geva and Farnia (2012) found that in the
lower grades (grade 2) word- and text- levels of reading fluency were one construct, but later
THE LINGUISTIC AND READING SKILLS OF ELLS
27
(grade 5) observed a distinction between the two. Text reading fluency became more strongly
related to reading comprehension by grade 5, through its connection to oral language skills; the
relationship between text reading fluency and oral language also increased between grades 2 and
5. Kim and Wagner (2015) observed that text-level fluency, in addition to fully mediating the
relationship between word-level fluency and reading comprehension, also partially mediated the
relationship between listening comprehension and reading comprehension in grades 2 through 4.
Crosson and Lesaux (2010) found that text-level reading fluency was related to reading
comprehension in ELLs with good oral language proficiency, but not for ELLs with poor levels
of oral language proficiency. This is an interesting finding as it suggests that below a certain
level of language proficiency, the “action” is at the word level and not at the text level. Similar
results are reported in another study of ELLs (Geva & Yaghoub-Zadeh, 2006). Geva and
Yaghoub-Zadeh (2006) reported that no significant differences were observed between EL1s and
ELLs in grade 2, in their ability to read simple narrative texts with accuracy and speed (i.e., text-
level reading fluency) provided they had received good instruction in language and literacy in
English, and had effective word recognition skills (Geva & Yaghoub-Zadeh, 2006). Quirk and
Beam (2012) reported a significant relationship between text reading fluency and reading
comprehension in their study with ELLs and EL1s in grades 2, 3, and 5, but noted that the
relationship varied across grade and levels of English language proficiency with relationships
being weaker for younger children and ELLs with lower levels of oral language. This group of
studies underscores the importance of oral language proficiency not only for reading
comprehension, but also for text-level fluency (which in turn contributes to reading
comprehension).
Text-level reading fluency appears to be an outcome of word reading fluency, but is also
dependent on language comprehension given that if the order the words are presented makes
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28
sense to the reader, they are able to read more efficiently. This notion is further supported by
findings suggesting that fluency in text-level reading is easier (i.e., faster) for readers than word-
level reading, with readers reading words in connected text more fluently than random words
presented in lists (Geva & Yaghoub-Zadeh, 2006; Kim and Wagner, 2015). In support of the
threshold hypothesis presented earlier, it seems that learners with a better command of the
language can anticipate the words and morphosyntactic structures presented in context, and this
in turn, facilitates the quick and accurate reading of words.
Findings from the aforementioned studies also highlight the developmental nature of
reading fluency. In the early stages of reading development (for L1 as well as L2 readers) when
the primary focus is decoding, word-level reading fluency and text-level reading fluency are
highly related and form one construct (e.g., Geva and Farnia, 2012). But as word reading
becomes automatized and efficient, the ability to read connected text becomes more important
and mediates the relationship between word reading fluency and language, to reading
comprehension. In this way, text-level reading fluency forms the “bridge” from word reading, to
reading comprehension (Hudson, Pullen, Lane, & Torgesen, 2008; Kim & Wagner, 2015; Kuhn,
Schwanenflugel, & Meisinger, 2010; Pikulski & Chard, 2005). What is not clear is at what age
and/or level of language proficiency children are able to take advantage of the benefits of text-
level reading fluency. Therefore, more research is needed.
In the context of monolingual research it has been suggested that dysfluent reading can be
the result of deficits in one or more component processes (Wolf & Katzir-Cohen, 2001).
Likewise, different profiles of dysfluency in ELL poor readers are likely to exist depending on
the source(s) of impairment (e.g., naming speed issues, delayed oral language development,
decoding difficulties). In the early elementary grades, as typically developing L2 children
advance their decoding skills, their ability to read isolated words with accuracy and fluency also
THE LINGUISTIC AND READING SKILLS OF ELLS
29
increases. Typically developing ELL children at this time can read words in isolation (i.e., lists
of words) and in context (i.e., words within passages of text) with similar fluency because they
tend to focus on decoding. In the middle elementary school grades (around grade 4), the texts
encountered in school become linguistically more demanding and require higher-order
processing skills, and a separation of these two levels of fluency can be observed. Some children
will be able to transition into reading connected texts with more fluency, others may continue to
have good word-level reading fluency but fail to progress in their text-level fluency, and some
will continue to struggle with decoding skills and not be able to read with fluency (Geva &
Yaghoub-Zadeh, 2006). It is at this time that reading development and reading fluency more
closely align with language comprehension for the first group but not for the other two groups.
Thus, typically developing ELL readers whose English language skills are relatively better
developed can read English texts with more fluency, while their ELL peers with less developed
English language skills and/or continued difficulties with decoding will struggle. The current
study extends the literature by examining word- and text-level reading fluency and their
relationships with decoding, language, and reading comprehension in ELLs with and without
decoding and language difficulties. These relationships are also explored longitudinally for a
developmental perspective.
Inferencing and its Role in Comprehension
Inferencing is the ability to use the information provided in text, as well as one’s
background knowledge, to integrate ideas, and extrapolate meaning that is not explicitly
provided. Good readers know that there may be considerable information and meaning implicit
in the texts they read, and that a sufficient and sometime conscious application of inferencing
strategies may be essential for comprehension (Cain & Oakhill, 1999; Pressley & Gaskins,
2006). Pressley and Gaskins (2006) discuss the various dynamic ways that effective readers infer
THE LINGUISTIC AND READING SKILLS OF ELLS
30
or “read between the lines” to make meaning when reading. They note that readers may need to:
(1) infer who or what pronouns are referring to; (2) infer the meanings of words that are
unfamiliar (i.e., lexical inferencing), using the context provided in text and knowledge about
other words and types of words (e.g., cognate knowledge, morphological awareness); (3) infer
connotations—ideas or feelings invoked beyond literal meaning—implied by certain words and
phrases; (4) identify the purpose of the text; (5) infer the intentions of the author; (6) recognize
bias; (7) make interpretations of the text based on inferred purpose, intentions, and bias; (8)
determine central ideas as they emerge in the text; (9) use patterns and structure of text to guide
how information and meaning is organized; (10) make decisions about whether the additional
meaning fits with the ideas in the text and with their prior knowledge; and if not (11) a
reinterprete or reread as be required (i.e., comprehension monitoring). Readers may also need to:
(12) infer meaning about the logical relationships (sometimes signaled by connectives) between
ideas in text (Geva, 2007; Geva & Ryan, 1985); (13) make connections between the text and
individual experience to create personal meaning (e.g., a lesson learner from a fable); and/or (14)
understand more subtle literary techniques—personification, irony, metaphors—used by a writer
(Geva & Fraser, 2016). Because of the complex, wide-ranging, and at times metacognitive nature
of inferencing, inferencing is often considered a higher-level processing skill (Cain, Oakhill, &
Bryant, 2004; Hannon & Daneman, 2001; Klauda & Guthrie, 2008; Oakhill & Cain, 2012;
Pressley, 2000).
Much of the research investigating the role of inferencing in reading comprehension in
school-aged children has been conducted with English monolinguals (e.g., Bowyer-Crane &
Snowling, 2005; Cain & Oakhill 1999; 2006; Cain, Oakhill, & Bryant, 2004; Oakhill 1982;
1984; Oakhill & Cain, 2012; Oakhill, Cain, & Bryant, 2003). Several conclusions characterize
the results of this research. First, children’s reading comprehension is related to their ability to
THE LINGUISTIC AND READING SKILLS OF ELLS
31
generate inferences, and a compromised ability in making effective and sufficient inferences
impacts reading comprehension. Second, skilled readers construct text representations that are
both “integrated and coherent” (Cain & Oakhill, 1999, p. 489); inferencing is a required
component of this process. Third, younger and less-skilled readers are likely to draw fewer
inferences and this lack of strategy is likely to have a negative impact on their reading ability.
That said, some less skilled comprehenders are able to make inferences when their errors are
pointed out to them and they are allowed to go back to the text (Cain & Oakhill, 1999). This
suggests that in part, knowing when to make an inference is as much a part of effective
inferencing strategy as the inference itself. Finally, due to the inherent cognitive demands
involved in keeping implicit and explicit information accessible for processing while inferencing,
good working memory is a necessary but not sufficient skill for being able to infer (Cain &
Oakhill, 1999; Cain et al., 2004).
An early study by Cain and Oakhill (1999) illustrates these central conclusions and has
provided the foundational work for much of the further work by Oakhill, Cain, and colleagues
(e.g., Cain & Oakhill, 2006; Cain, Oakhill, Barnes, & Bryant, 2001; Cain, Oakhill, & Bryant,
2004; Cain, Oakhill, & Lemmon, 2004; Oakhill & Cain, 2012; Oakhill, Cain, & Bryant, 2003)
that has built up our understanding about the role of inferencing in reading comprehension. In
their landmark study Cain and Oakhill (1999) assigned 80 children aged 6 to 8 years old to either
a less-skilled comprehenders group (determined via comprehension scores below their
chronological age), a skilled comprehenders group (determined via comprehension scores that
were at or above that predicted by their reading accuracy age), or a comprehension-age matched
control group. Two types of inference generation were investigated: (1) text-connecting
inferences which required the integration of information explicitly provided by the text to
establish cohesion between ideas, and (2) gap-filling inferences which required the incorporation
THE LINGUISTIC AND READING SKILLS OF ELLS
32
of prior knowledge with information in the text to fill in missing details (Oakhill 1982, 1984).
Results indicated that: (a) good inferencing ability was not the consequence of good reading
comprehension ability but more likely the cause of it, and (b) a failure to make inferences was
not related to a lack of prior knowledge or poor working memory, but rather to lack of knowing
when to apply and then applying, sufficient inferencing strategies. The authors speculated that
one reason that less-skilled comprehenders had difficulties in applying inferencing strategies
when compared to skilled comprehenders was that they might have been approaching the task of
reading with different purposes in mind. Less-skilled comprehenders might be more focused on
word reading accuracy and applying fluent decoding strategies (thus having fewer cognitive
resources available for higher-level processing), while skilled comprehenders might be more
focused on comprehension monitoring and striving for coherence (Cain & Oakhill, 1999).
It is also important to acknowledge the role of inferencing in reading comprehension
from a developmental perspective. In the past, the thinking was that younger children had not yet
developed the metacognitive ability to apply inferencing strategies successfully. Further, young
children’s reading comprehension is strongly predicted by lower-level reading and language
skills (e.g., word reading accuracy and semantic skills). However, the relationship between
inferencing and reading comprehension has been established in children as young as 6 and 7
years old (e.g., Cain & Oakhill, 1999; Oakhill, Cain, & Bryant, 2003; Oakhill & Cain, 2012)
suggesting that even early readers can capitalize on inferencing strategies when reading.
Research with older children has shown that inferencing strategy emerges as a distinct predictor
of reading comprehension after controlling for working memory, word reading accuracy, and
components of language skill, such as for example vocabulary and verbal ability (Bowyer-Crane
& Snowling, 2005; Cain, Oakhill, & Bryan, 2004; Oakhill & Cain, 2012; Oakhill, Cain, &
Bryant, 2003). Cain, Oakhill, and Bryant (2004) reported that at each of three time points (ages
THE LINGUISTIC AND READING SKILLS OF ELLS
33
8, 9, and 11), working memory and component skills of comprehension (inference making,
comprehension monitoring, story structure knowledge) predicted unique variance in reading
comprehension after word reading ability and language controls.
In a subsequent, four-year longitudinal study, Oakhill and Cain (2012) found that three
comprehension components (inference, comprehension monitoring, and knowledge and use of
story structure) were unique predictors of reading comprehension in 10 and 11 year olds, even
after the autoregressive effect of earlier reading comprehension was controlled. In their study
with children aged 7 to 9 years old, Oakhill, Cain, and Bryant (2003) found that significant
variance in reading comprehension skill (but not word reading ability) was accounted for by
measures of text integration (inferencing), metacognitive monitoring, and working memory.
Bowyer-Crane and Snowling (2005) in their study with 9 year olds classified as poor
comprehenders or typical readers, found that what distinguished the typical readers from poor
comprehenders was their ability to generate more effortful, elaborative, types of inferences; no
significant differences were found in the ability to make cohesive inferences, or to draw
inferences that use the linguistic cues present in the text (e.g., knowing to whom a pronoun is
referring). To note, research with monolingual learners suggests that cohesive inferences may be
one of the less effortful types of inferences generated during reading (Bowyer-Crane &
Snowling, 2005).
Clearly, inference generation is a fundamental component of reading that may become
increasingly important for school-aged children as they progress through the elementary grades,
and as the texts they encounter become more demanding. For typically developing readers,
accompanying this progression is an increased automaticity of lower-level word reading skills,
allowing for attention to be focused on higher-level processing like inferencing and
THE LINGUISTIC AND READING SKILLS OF ELLS
34
comprehension monitoring. For readers with delayed development due to difficulties with
decoding, language learning, or both, inferencing skill can be compromised as attention is
focused on word recognition and meaning (Prior, Goldina, Shany, Geva, & Katzir, 2014).
Less is known about the relationship between inferencing strategy and reading
comprehension for younger L2 children. The research that does exist appears to address two
central issues: (1) the role of lexical inferencing in vocabulary development and relatedly, its
impact on reading, and (2) the role of the integrative and cohesive qualities of inferencing in
reading comprehension. Lexical inferencing has been found to have significant relationships with
both vocabulary knowledge and reading comprehension (Nassaji, 2004; Prior et al., 2014; Zhang
& Koda, 2012). To illustrate, Li and Kirby (2014) looked at inferencing strategy in their study
involving ELLs in grade 8 with differing levels of reading comprehension skill. Based on their
reading comprehension and word reading skills participants were classified as: unexpected poor
comprehenders (i.e., learners with poor reading comprehension despite good word reading
skills), expected average comprehenders, and unexpected good comprehenders (i.e., learners
with superior reading comprehension but only average word reading). The inferencing measure
they used involved items that assessed coherence and elaborative inferences, as well as items that
assessed the application of various reading strategies, such as predicting, inferencing, and
summarizing (Li & Kirby, 2014). In line with findings in the L1 research literature, results
indicated that good reading comprehension is associated with effective inferencing strategy;
unexpected good comprehenders who were defined by their superior reading comprehension but
average word reading skills, performed better than expected average and unexpected poor
comprehenders on inferencing. Li and Kirby (2014) speculated that higher-level processes such
as inferencing, may be responsible at least in part, in explaining different levels of reading
comprehension among ELLs.
THE LINGUISTIC AND READING SKILLS OF ELLS
35
Geva and Massey-Garrison (2013) examined language and reading difficulties in a
sample of ELLs of various home language backgrounds, and L1 (English) children who attended
the same schools. Children in the ELL and L1 groups were classified separately as typical
readers, poor decoders, or poor comprehenders (with no decoding problems) in relation to the
sample (and not monolingual norms). Results indicated that just like their their L1 counterparts,
ELLs classified as poor comprehenders had difficulties in making inferences while listening to
stories. They also had difficulties with other higher-level aspects of language related to semantic
relations and the production of syntactically complex sentences (Geva & Massey-Garrison,
2013). In sum, the same pattern of difficulty was noted among poor comprehenders regardless of
their L1 or ELL status.
Inferencing is a process requiring that relevant information, either from text or world
knowledge, be identified and integrated in a way such that the reader can create a unified and
cohesive mental model or text representation of what they are reading. Research findings from
the L1 and L2 research literature suggest that inferencing strategy is a critical component of
reading comprehension, without which reading performance and the ability to make meaning
through text is seriously compromised. Poor reading comprehension may be at least in part,
failure in the ability to make sufficient inferences. The current research adds to this growing
body of literature by examining profiles of inferencing strategy (text-connecting and gap-filling)
for different subtypes of ELLs, including those at-risk for poor reading comprehension as a result
of difficulties in decoding, language comprehension, or both.
THE LINGUISTIC AND READING SKILLS OF ELLS
36
Chapter 2: The Current Research
The primary goal of the current research was to investigate the language and reading
profiles of ELL readers classified as typically developing or at-risk for poor reading
comprehension, based on their relative strengths and weaknesses in decoding and language
comprehension. Bishop and Snowling’s (2004) two-dimensional model was used in the
conceptualization and classification of typically developing and at-risk ELL readers. This model,
based on the SVR (Gough & Tunmer, 1986) is presented in Figure 1 and conceptualizes the
relationship between phonological and nonphonological skills (in this research defined as
decoding and language comprehension respectively). Three types of at-risk ELL readers were
examined in comparison to typically developing ELLs: ELL poor decoders who exhibited
difficulties with word reading, ELL poor language comprehenders who exhibited compromised
language skills, and ELL readers who exhibited deficits in both decoding and language
comprehension, defined as multi-deficit at-riskers. The goal of Study 1 was to examine
concurrent linguistic and reading profiles of these ELL reading groups. The goal of Study 2 was
to identify longitudinal predictors of at-risk ELL reading group membership. Studies 1 and 2 are
discussed in more detail in Chapters 5 and 6, respectively.
THE LINGUISTIC AND READING SKILLS OF ELLS
37
Figure 1. The two-dimensional model for conceptualizing the relationship between language
comprehension and decoding in typical developing and at-risk reader groups (Bishop &
Snowling, 2004).
Typical developers
Multi-deficit at-riskers
Poor decoders
Poor language comprehenders
+
+ −
Language Comprehension
(Nonphonological)
Decoding
(Phonological)
−
THE LINGUISTIC AND READING SKILLS OF ELLS
38
As can be seen in Figure 1, the model characterizes the relationship between children
with difficulties in decoding, children with difficulties in language, children with difficulties in
both decoding and language comprehension, and children who are typically developing on both
continua. The model is useful in that it allows the characterization of reading difficulties to be
conceptualized in a two-dimensional space rather than on a single continuum, or two
independent continua (Bishop & Snowling, 2004; Branum-Martin, Fletcher, & Stuebing, 2013).
Children with varying degrees of decoding and/or language deficits can be identified with a
simultaneous consideration of both domains. This is an important consideration in the context of
reading development, as deficits in decoding and/or language, although presenting as a unitary
global problem with reading comprehension, may be related to different underlying causes and
therefore require different intervention approaches (as discussed in Chapter 1). The model is also
advantageous in that it allows for comparison of at-risk status with typically developing learners
within the ELL sample. Historically, the identification of ELLs with reading difficulties has been
conducted through the use of monolingual norms as a point of reference (Geva & Herbert, 2012).
Given that ELLs are developing their English oral language proficiency, this approach has led to
concerns about the over-identification of ELLs as having difficulties in reading when in fact,
their language and reading development is typically developing with respect to their ELL status.
Concerns about the under-identification of ELLs with reading problems has also been of issue
due to a tendency to attribute challenged reading skills to poor language proficiency as a result of
developing L2 status (Limbos & Geva, 2001).
Methodological Considerations
There are benefits and drawbacks in using a quadrant method and cut-off scores in the
identification of at-risk ELL readers and the classification of those readers into different
subtypes. On the one hand, it is not easy to tease apart difficulties in L2 reading that reflect the
THE LINGUISTIC AND READING SKILLS OF ELLS
39
typical course of development, from difficulties that reflect real problems with language and
reading. L2 learners generally have a lower command of vocabulary and lesser reading
comprehension skills in the L2 than their monolingual counterparts (Droop & Verhoeven, 2003;
Farnia & Geva, 2011; Hutchinson, Whitely, Smith, & Connors, 2003; Lesaux, Rupp, & Siegel,
2007; Proctor, Carlo, August, & Snow, 2005; Verhoeven, 2000). That said, some L2 children
have pervasive language or reading difficulties that cannot be attributed simply to their language
learning status, and that may reflect, if not a diagnosable language disorder or specific learning
disorder at least a need for focussed attention to help them to be successful readers (DSM-5;
Geva & Herbert, 2012; Geva & Massey-Garrison, 2013; Paradis, Genesee, & Crago, 2011;
Sparks, Patton, Ganschow, & Humbach, 2009). A quadrant method with decoding and language
as intersecting continua allows for the joint consideration of these two foundational skills in
reading, while at the same time considering their distinct relationships with reading
comprehension.
A quadrant model approach also allows for ELL children with deficits to be contrasted
with typically developing ELL readers rather than English monolingual readers (Geva &
Massey-Garrison, 2013; Ndlovu, 2010). This is of particular importance given the growing
evidence that typically developing ELL readers (who develop their word reading and language
skills in tandem) do not profile in the same way as typically developing native speakers of
English, whose reading skills are built on a foundation of language proficiency (Farnia & Geva,
2011; 2013; Jean & Geva, 2009). As mentioned earlier, reports of issues related to the over-
identification of L2 learners as having a reading disability when they do not, have been
highlighted in the literature (Cummins, 1984; Harry & Anderson, 1994; Larry P. v. Riles, 1972,
1974, 1979, 1984, 1986; Paton, 1998). Cases of under-identification in L2 learners who have a
reading disability but are not identified are also prevalent in the literature, particularly in models
THE LINGUISTIC AND READING SKILLS OF ELLS
40
of identification where ELLs are compared to monolingual English learners (Limbos & Geva,
2001; Solari, Petscher, & Pfolsom, 2012; U.S. Department of Education, 2003; Zehler,
Fleischman, Hopstock, Pendzick, & Stephenson, 2003).
It is important to note that because we cannot directly observe the brain and what it can
(and cannot) do, researchers and clinicians must measure performance on various cognitive,
language, and reading tasks to understand where and how children with reading problems
struggle. Children of course do not naturally fall into groups on these tasks; these tasks are
continuous in nature and children’s performance falls along a continuum. This research takes the
position that by considering at-risk children through a subtype classification system that is
informed by their primary difficulties, research can be conducted that helps to reveal the profiles
of various types of poor readers and the sources of their difficulties. That said, there is no
standardized method for subgrouping children based on their varying levels of reading skill or
component reading skills, and some statisticians question the appropriateness of group-making
via the use of cut-off scores, particularly in the study of learning disabilities where variables are
likely to represent a “correlated continuum of severity” (Branum-Martin, Fletcher, & Stuebing,
2013, p. 1). Branum-Martin, Fletcher, and Stuebing (2013) emphasize the “conceptual and
statistical dangers in using cut scores without a specific method designed to account for the
correlation among the measures” (p. 4). Nonetheless, some reading researchers have opted for
cut-off scores (raw or standardized) and covariates in their statistical analyses as a method of
group classification (e.g., Geva & Herbert, 2012; Geva & Massey-Garrison, 2013), while others
have used regression as a precursor to using cut points such that factors that are known to impact
reading development (e.g., age, nonverbal cognitive ability, decoding) are accounted for prior to
subgroup-making (e.g., D’Angelo & Chen, 2016; Li & Kirby, 2014; Tong, Deacon, Kirby, Cain,
& Parrila, 2011). The regression approach has been particularly useful in studies involving poor
THE LINGUISTIC AND READING SKILLS OF ELLS
41
comprehenders, where there are a number of confounding factors (e.g., Li & Kirby, 2014). For
example, poor comprehenders are defined by their poor reading comprehension in the presence
of accurate and fluent word reading ability. Using a regression approach allows for skill in word
reading or word-level reading fluency (both highly correlated with reading comprehension) to be
appropriately co-varied prior to subgroup classification.
Branum-Martin, Fletcher, and Stuebing (2013) offer several solutions for dealing with the
statistical circularity inherent in using ANOVA and regression procedures where a majority of
the measures are continuous in nature, and strongly correlated. They suggest for example,
longitudinal models with randomized control treatment groups, and cluster analyses. At the same
time, it is important to acknowledge that these approaches require large samples and may not be
appropriate where participants are selected to represent the extreme ends of a continuum
(Branum-Martin, Fletcher, & Stuebing, 2013). This is the case with the current research. Cluster
analysis may be true to the theoretical notion that variables such as vocabulary skills and reading
comprehension are dimensional and related. However, a large sample would be needed in order
to conduct such an analysis. Since this longitudinal study involved a smaller sample of 127
ELLs, using a cut point method for group classification was not only suitable, but the only viable
means for conducting such an investigation (See Chapter 4 regarding data preparation for more
details).
THE LINGUISTIC AND READING SKILLS OF ELLS
42
Chapter 3: General Method
The current research is comprised of two studies. A general method section with the
following methodological details of both studies is presented here: recruitment and data
collection, educational context of the participants and research, participant data, and descriptions
of measures used in analyses. Details about the preparation of data for analyses, including the
classification of ELL participants to reader group, is presented in Chapter 4; results for studies 1
and 2 are reported separately in Chapters 5 and 6, respectively.
Recruitment and Data Collection
Participants were recruited through an information letter and a consent form that were
sent home by classroom teachers to all students with appropriate ELL backgrounds. The letters
and forms were distributed in English as well as the child’s home language. Only students whose
parents agreed to participate were included in the study. Parents were also informed in the
information letter that they could withdraw their child from the study whenever they wanted, if
they so choose.
The ELL status of the participants was determined by the school board, and confirmed by
their teachers. The children’s home language was also corroborated by parental report. Initial
recruitment criteria required that participants spoke either Portuguese, Chinese, or Spanish as
their first language, and had lived in an English-speaking country for at least 4 months prior to
participation in the study. All the participants in the study had begun learning English formally
upon school entry in kindergarten.
Trained graduate students and research assistants tested the participants in the spring of
each year that data was collected. Testing was carried out over a 2-week period in two or three
testing sessions that lasted approximately one hour; the total testing time per participant was
approximately three hours. To reduce cognitive load and maintain participant engagement, tasks
THE LINGUISTIC AND READING SKILLS OF ELLS
43
were organized in a way that balanced task difficulty and type of response required (i.e., written
or oral). Individual testing sessions took place in a quiet room provided by the school of each
participant. If the participant expressed discomfort or fatigue, testing was stopped and continued
at a later time.
Educational Context
In Ontario, ELL students are those who have recently immigrated to Canada from non-
English-speaking countries or who were born in Canada but may have limited English language
proficiency for other reasons (e.g., some Canadian-born children are raised in “home language”
communities). ELL children in Ontario are entitled to receive ELL support for up to 2 years.
ELL support may be organized in one of three ways: (1) ELLs may be withdrawn from their
homeroom classroom for specialized language instruction, in this case, the withdrawal support is
provided by teachers with specialized ELL training and consists of 30 to 40 minutes of explicit
English language instruction per day; (2) ELL support is provided by the ELL teacher in the
child’s own classroom where all instruction takes place in English and many of the children in
the class are English native-speakers; or (3) English support is given through an adapted
curriculum provided by the homeroom teacher and teachers make appropriate program and
curriculum accommodations tailored to support the individual ELLs in their classroom.
In this research, English was the language of instruction in all participating schools.
Depending on their English language proficiency and school’s assessment of their needs, some
of the participants in this study may have been receiving ELL support at their school at the time
of participation in this research. Some of the participants may have also been receiving special
education programming since learning disability or language impairment status was not
exclusionary for participation in this research. Since data regarding ELL support or special
THE LINGUISTIC AND READING SKILLS OF ELLS
44
education programming was not accessible, the numbers of participants in either or both
categories is not known.
Participants
Data for this study are part of a larger longitudinal study where 2 cohorts of children (N =
298) coming from three home language backgrounds (i.e., Chinese, Spanish, and Portuguese)
were recruited from 22 elementary schools in two large and nearby cities in Southern Ontario,
Canada. Children were followed from kindergarten to grade 4 and tested on a range of cognitive,
linguistic, reading, and higher-order processing measures. The first cohort began the study in
kindergarten (n = 262). Because of attrition between kindergarten and grade 2 (n = 67) and to
increase the sample size, a second cohort was recruited in grade 2 (n = 36). This research focuses
on the combined cohorts and includes those children who attended the participating schools from
grade 2 to grade 4 (n = 231). Only participants with complete data at both time points (grade 2
and 4) were used in analyses (n = 155). Attrition (n = 76) from grade 2 to grade 4 occurred
primarily because children moved away from the school board where data collection took place.
In addition, 28 more children were removed from the data set because they missed the
administration of one or more of the testing batteries due to being absent on testing days, and
were unable to make it up. Because data was missing at the level of the test battery (i.e., the child
missed an entire battery of tests) and not at the level of the individual measures (e.g., the child
completed all the test batteries but one test was missed due to tester error), imputation was not a
reasonable option for dealing with the missing data for these 28 children. There were no other
missing data. The final sample size was n = 127.
First, it was necessary to examine whether the attrition was at random. Analyses
indicated that the attrited students did not differ statistically from the remaining participants on
home language background, gender, age, school site, or any of the cognitive (nonverbal
THE LINGUISTIC AND READING SKILLS OF ELLS
45
cognitive ability, phonological awareness, naming speed, working memory), linguistic (language
comprehension, vocabulary, oral expression), or reading measures of interest (decoding, word
reading accuracy and fluency, connected text reading fluency, reading comprehension,
inferencing). The final sample consisted of 51 males and 76 females. There were 37 children
who spoke Portuguese as their first language, 54 children who spoke Chinese as their first
language, and 36 who spoke Spanish as their first language. A Chi-square analysis was
conducted to determine whether gender differed based on home language background; the test
was not significant, χ2(3) = 3.13, p = .21; there was no relationship between gender and home
language. The mean age of the participants was 93 months (SD = 4.3 months) in grade 2, and
116 months (SD = 4.6 months) in grade 4. Analysis of variance (ANOVA) was conducted to
determine whether age was related to home language background; the test was not significant.
Age was not related to home language in grade 2 or grade 4: F(2, 123) = 2.73, p > 05; F(2, 123)
= 2.97, p = .06, respectively (see Tables 2 and 3).
Measures
Thirteen standardized measures and one experimental measure, all administered in
English, were used in this research. Four areas supporting reading development were assessed:
cognitive ability (non-verbal cognitive ability, naming speed, phonological awareness, and
working memory), oral language proficiency (oral expression and vocabulary), reading skills
(word reading, word- and text-level fluency, and reading comprehension), and higher-order
processing (inferencing strategy). The classification of participants by reading subtype was based
on the decoding and language comprehension measures administered in grade 4; these two
measures were not included in subsequent analyses in studies 1 and 2. Table 1 presents a
summary of the variables used in analysis by time point of measurement. To note, test
developers’ internal consistency coefficients, as well as sample-specific coefficients have been
THE LINGUISTIC AND READING SKILLS OF ELLS
46
reported for measures where item level data was available. For those measures where item level
data was not available, only the internal consistency coefficients reported by the test developers
are presented.
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47
Table 1.
Summary of the variables used in analyses
1 Nonverbal cognitive ability was measured in grade 3.
Construct Variable Grade 2 Grade 4
Grouping Variables Decoding
Language comprehension
Cognitive ability Nonverbal cognitive ability1
Phonological awareness
Naming speed
Working memory
Oral language proficiency Receptive vocabulary
Oral expression
Higher-order processing Inferencing strategy Reading skills Word reading accuracy:
Word reading in isolation
Word reading in context
Reading fluency:
Word-level reading fluency
Text-level reading fluency
Reading comprehension
THE LINGUISTIC AND READING SKILLS OF ELLS
48
Measures used for group classification. Two measures representing the decoding and
language comprehension components of the SVR (Gough & Tunmer, 1986), were used to
classify participants into reader groups. These variables were only used for group classification.
For details about the relationships among the decoding and language comprehension measures,
and the other variables used in analyses, see Table 5 (for grade 4) and Table 9 (for grade 2).
Decoding. The Word Attack subtest of the Woodcock Reading Mastery Test – Revised
(WRMT-R; Woodcock, 1987) was used to test participant’s untimed ability to read pseudowords
in isolation in grade 4. This task was chosen because it is the “cleanest” measure of decoding; it
does not require knowledge of irregular English words that do not follow the phonological
“rules” of English (e.g., yacht). For this task, participants were asked to read aloud a list of
pseudowords that increased in length and difficulty. Task administration was discontinued when
6 items in a row for a given page were read incorrectly. The total number of items on this task is
45. The reported internal consistency for this task as measured using the split-half method
corrected by the Spearman-Brown formula is .97 for children in grade 4 (Woodcock, 1987). The
sample-specific Cronbach’s alpha for the grade 4 ELLs in this research is .90.
Language comprehension. The Recalling Sentences subtest of the Clinical Evaluation of
Language Fundamentals (CELF-3; Semel, Wiig, & Secord, 1995) was used as a measure of oral
language proficiency in grade 4. This task was chosen because this subtest is used in clinical
settings to diagnose language impairment in children having significant and pervasive oral
language difficulties. The Recalling Sentences subtest was used to assess the participant’s ability
to listen to spoken sentences of increasing length and complexity, and to repeat the sentences
without changing word meaning and content, word structure, or sentence structure. In this task,
participants repeated sentences of increasing difficulty that were orally presented by the task
administrator. There are 32 items in this task. Each item is worth up to 3 points depending on the
THE LINGUISTIC AND READING SKILLS OF ELLS
49
number of errors made in each repetition. The total score on this task is 96. The reported internal
consistency on this task as measured by Cronbach’s alpha is .91 for children aged 9 years old
(Semel, Wiig, & Secord, 1995). The sample-specific Cronbach’s alpha for the grade 4 ELLs in
this research is .90. No inter-rater reliability related to scoring was available for this task.
Cognitive ability
Nonverbal cognitive ability. The Matrix Analogies Test – Expanded Form (MAT –
Expanded Form; Naglieri, 1985) was used to measure nonverbal cognitive ability in grade 3.
This test is suitable for use with ELL populations as it is considered to be comparatively culture-
free and does not require verbal responses, thus cognitive ability is not confounded with
language proficiency. There are four subtests in this measure all related to reasoning and
problem solving about visual patterns: Pattern Completion, Reasoning by Analogy, Serial
Reasoning, and Spatial Visualization. For each item, participants were presented with an
incomplete pattern and asked to point to one piece from 6 option pieces that would complete the
pattern. Items were scored either 1 for correct, or 0 for incorrect. The total score on this task is
64. The reported internal consistency for this task as measured using Cronbach’s alpha is .94 for
children aged 8 (Naglieri, 1985).
Phonological awareness. Phonological awareness (PA) in grade 2 was assessed using the
Comprehensive Test of Phonological Processing (CTOPP; Wagner, Torgesen & Rashotte, 1999).
PA was measured using the Segmenting Nonwords and Segmenting Words elision tasks. In these
tasks, children were asked to delete individual sounds from nonwords or words and produce
orally the remaining part (e.g., say dog, now say dog without /d/). There were six practice items
and 20 test items in each task, which include initial, middle and last phoneme elision. The test
was discontinued when the participant responded incorrectly on three consecutive items. Items
were scored either 1 for correct, or 0 for incorrect. The combined total score for the two tasks is
THE LINGUISTIC AND READING SKILLS OF ELLS
50
40. Internal consistency for this task is measured using Cronbach’s alpha. The reported
coefficient for the combined Segmenting Nonwords and Segmenting Words elisions tasks is .91
for children aged 7 (Wagner et al., 1999).
Naming speed. The Digits and Letters – Rapid Automatized Naming (RAN) tasks of the
CTOPP (Wagner, Torgesen, & Rashotte, 1999) were used to measure naming speed in grade 2.
In this task, participants read a list of digits or letters, presented in rows, as quickly as possible.
Each task involved two trials. The time taken to read each trial was combined for a total score in
seconds. Internal reliability for this task is measured using alternate-form reliability (ideal for
speeded tasks). The reported coefficients for the digits and letters tasks are .84 and .70,
respectively, for children at aged 7 (Wagner et al., 1999). Times from the digits and letters task
were combined for a total RAN time used in analysis.
Working memory. The Backward Digit Span subtest of the Wechsler Intelligence Scale
for Children – Third Edition (WISC III; Wechsler, 1991) was used to measure participant’s
working memory in grade 4 (i.e., the ability to retain and manipulate information in memory).
For this task, children listened to orally presented sets of digits (i.e., numbers) and were then
asked to repeat out loud the set of digits in the reverse order. As the test continued, the series of
digits increased in set size. There are 8 items in the task with 2 trials per item. The task was
discontinued when both trials of an item were recalled incorrectly. Items were scored either 1 for
correct, or 0 for incorrect. The total score on this task is 16. Internal consistency for this task is
measured using the split-half method corrected by the Spearman-Brown formula; the coefficient
is .77 for children aged 9 (Wechsler, 1991).
Oral language proficiency
Vocabulary knowledge. Receptive vocabulary was measured in grades 2 and 4 using the
Peabody Picture Vocabulary Test Third Edition – Form B (PPVT III; Dunn & Dunn, 1997). For
THE LINGUISTIC AND READING SKILLS OF ELLS
51
the PPVT III, children listened to a word spoken by the task administrator, and then pointed to
the picture which they thought corresponded to that word. There were four pictures from which
to choose. The words became increasingly less common and more complex as the task
continued. Testing was discontinued when the participant failed to identify 8 word-to-picture
associations in a set. There are 228 items in this task. Items were scored either 1 for correct, or 0
for incorrect. Cronbach’s alpha is used as a measure of internal consistency for this task; the
reported coefficient is .95 for children aged 7, and .96 for children aged 9 (Dunn & Dunn, 1997).
Oral expression. The Oral Expression subtest of the Test of Language Competence –
Expanded Edition (TLC; Wiig & Secord, 1989) was used to measure oral language proficiency
in grade 2. On this task, which is administered orally, children were given two words (e.g., late,
dinner) and a context (e.g., In the yard). The children were then instructed to create a sentence
reflective of the context, using the two words (e.g., I was late for dinner because I was playing in
the back yard). Responses were given a holistic score and a word count score, each worth 3
points. The total possible score for each item was 6. For the holistic score, responses were scored
as follows: 0 if the response was nonsensical and not appropriate to the scenario, 1 point if the
response was appropriate to the scenario but grammatically incorrect, or 3 points if the response
was both grammatically correct and appropriate to the scenario (a score of 2 points is not an
option in this standardized test). For the word count score, responses were scored as follows: 0 if
neither of the two provided words were used in the response, 1 point if one word was used, and 3
points if both words were used. There are 16 items in this task. The total score on this task is 96.
Reported reliabilities for subtests of the TLC are .86 to .92 (Wiig & Secord, 1989). No inter-rater
reliability related to scoring was available for this task.
Reading skills
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52
Word reading. Two measures of word reading were administered to participants: (1)
word identification which requires the correct reading of words in isolation, and (2) word reading
accuracy which requires the correct reading of words in context (i.e., within a text).
Word reading in isolation. The Word Identification subtest of the Woodcock Reading
Mastery Test – Revised (WRMT-R; Woodcock, 1987) was used to test participants’ untimed
ability to read real words in isolation in grades 2 and 4. For this task, participants were asked to
read aloud a list of real words that increased in length and difficulty. Task administration was
discontinued when 6 items in a row for a given page are read incorrectly. The total number of
items on this task is 106. Internal consistency for this task is measured using the split-half
method corrected by the Spearman-Brown formula. The reported coefficient for this task for
children in grades 2 and 4 is the same at .97 (Woodcock, 1987).
Word reading in context. The Neale Analysis of Reading Ability (Neale, 1997) was used
to measure word reading in context. Accuracy scores were recorded and calculated during the
reading comprehension administration of the task (described below). For each of the six passages
in this task, a maximum accuracy score has been determined by the task developers. The first
five passages have a maximum score of 16; the sixth and final passage has a maximum score of
20. As the participant read out loud each passage, the number of decoding errors made by the
participant was noted and deducted from the maximum score for the passage. The score for each
passage was totaled for a total possible score on the task of 100. Testing was discontinued when
the participant made more errors during reading of the passage than the maximum accuracy
score. For example, if the participant made 18 errors during the reading of the third passage
(which has a maximum accuracy score of 16), the test was stopped and the accuracy score for
that passage was recorded as zero; no further passages were administered. The internal reliability
coefficient for word reading in context for children in grade 4 is .88 (Neale, 1997).
THE LINGUISTIC AND READING SKILLS OF ELLS
53
Reading fluency. Fluency—the ability to read orally with speed and accuracy—was
measured at the word-level (using lists of words) in grades 2 and 4, and at the text-level (using
passages of text) in grade 4.
Word-level reading fluency. Word-level reading fluency was measured in grades 2 and 4
using the Word and Nonword subtests of the Test of Word Reading Efficiency (TOWRE;
Wagner, Torgesen, & Rashotte, 1999). In this test, participants read aloud lists of words or
nonwords as quickly and correctly as possible. There are 104 words in the Word subtest and 63
words in the Nonword subtest. The score on each subtest is based on the number of words read
in 45 seconds. Because the number of variables used in analyses was a concern and because
fluency measures using both words and nonwords tend to be highly reliable and highly correlated
(Lervag, Braten, & Hulme, 2009), the word and nonword subtests were combined for a total
word-level reading fluency score. The reported internal consistency for the subtest combined and
calculated using alternate-form reliability, is .98 for children aged 7 and also aged 9 (Wagner et
al., 1999).
Text-level reading fluency. The Neale Analysis of Reading Ability (Neale, 1997) was
used to measure text-level reading fluency in grade 4. For this task, fluency is a function of
words read (within a passage of text) per minute. The time taken to read up to six passages was
recorded during the reading comprehension administration of the task (described below). A
fluency score was calculated by dividing the total combined number of words read correctly by
the participant (i.e., there are 26 words in passage 1, 52 words in passage 2, 73 words in passage
3, 96 words in passage 4, 117 words in passage 5, and 141 words in passage 6), by the total time
it took the participant to read the passages; this total was then multiplied by 60 seconds. For
example, if the participant read 3 passages in 143 seconds, and made 26 word reading errors
before the test was discontinued (the test was discontinued when the participant made 16 word
THE LINGUISTIC AND READING SKILLS OF ELLS
54
reading errors in a passage), their fluency score would be: [151 (26 words for passage 1 + 52
words for passage 2 + 73 words for passage 4) – 26 (errors)] / 143 seconds * 60 seconds; or a
fluency score of 43.10.
Reading comprehension. Reading comprehension was measured in grades 2 and 4. The
passage comprehension subtest of the Woodcock Language Proficiency Battery – Revised
(Woodcock, 1991) was used to assess reading comprehension in grade 2. This test involved the
child reading passages silently. Each passage consisted of one to three sentences. The child was
then asked to provide a missing word represented by black lines in the text. The passages became
increasingly difficult. Testing was discontinued when the child missed or provided the incorrect
word for six consecutive sentences. The reported split-half reliability coefficient for this task .88
for children aged 7 (Woodcock, 1991).
The Neale Analysis of Reading Ability (Neale, 1997) was used to measure reading
comprehension in grade 4. This task involves reading aloud a series of short passages, and
answering open-ended comprehension questions. There are 6 passages of increasing length and
complexity with 8 questions per passage, except for the first passage that has 4 questions. Two
practice passages with questions are administered prior to beginning the task. Passages are
administered in an order of increasing difficulty and testing is discontinued when the participant
makes 16 or more word reading errors for passages 1 to 5, or 20 word reading errors on passage
6. The total score on this task is 44. Internal reliability for this task is measured using Cronbach’s
alpha. The reported internal consistency coefficient for reading comprehension is .95 for children
in grade 4 (Neale, 1997). The sample-specific coefficient for the grade 4 ELLs in this study is
.97.
Higher-order processing
THE LINGUISTIC AND READING SKILLS OF ELLS
55
Inferencing strategy. Inferencing skill was measured in grade 4 using Cain and Oakhill’s
(1999) task, in which participants read short passages silently and then orally answered open-
ended questions. Each question required the participant to generate an inference using the
information provided in the text. Items included literal inferences, text-connecting inferences
(i.e., requiring the integration of information presented in clauses or sentences in the text; Cain &
Oakhill, 1999) and gap-filling inferences (i.e., requiring the incorporation of participants’ prior
knowledge with information in the text to fill in missing details; Cain & Oakhill, 1999). There
was one passage with 6 questions for practice. There were 3 passages in total for the task, and 6
questions per passage. Questions were not answered from memory; the participants kept the text
in sight while answering the questions. Passages ranged in length from approximately 130 to 150
words. Each correct response received 1 point. The total score on this task is 18. The sample-
specific Cronbach’s alpha for this task is .80 for the grade 4 participants.
THE LINGUISTIC AND READING SKILLS OF ELLS
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Chapter 4: Data Preparation
Two preliminary steps were taken in preparation of the data for analyses: (1) the
amalgamation of participants from different home language backgrounds, and (2) the assignment
of participants to one of four reading subtype groups.
Amalgamation of Participants From Different Home Language Backgrounds
Participants for this research were recruited from three home language backgrounds:
Portuguese, Chinese, and Spanish. The addition of home language as a control variable in
analyses led to concerns about statistical power and low cell counts, with some cells having only
1 participant. Hence, a series of analyses (e.g., ANOVA, Box’s M) were conducted to examine
whether there was statistical support for amalgamating participants from the different home
language groups into one sample for analysis as a way of increasing power. Tables 2 and 3
present descriptive statistics and post hoc comparisons related to three home language
backgrounds for the variables under study in grades 2 and 4, respectively.
To evaluate differences between the three home language groups in grade 2, multiple
analyses of variance (ANOVA) using the 7 variables of interest in grade 2 (i.e., naming speed,
phonological awareness, receptive vocabulary, oral expression, word-identification, word-level
reading fluency, and reading comprehension) were conducted. A Bonferroni-corrected -value
of .007 to indicate significance (i.e., = .05 divided by 7 variables) was employed. Table 2
presents descriptive statistics and post hoc comparisons for the three home language groups on
the variables under study in grade 2. The three home language groups did not perform
significantly differently on any of the variables of interest except for phonological awareness,
F(2, 124) = 17.63, p <.001, η2 = .22 (indicating a medium effect size; Cohen, 1992). The
Portuguese- (M = 21.73, SD = 7.82) and Spanish-speaking (M = 21.11, SD = 7.23) groups
THE LINGUISTIC AND READING SKILLS OF ELLS
57
outperformed the Chinese-speaking group (M = 13.09, SD = 8.21) on phonological awareness
(PA). In the literature, it has been hypothesized that L2 learners with typologically similar L1s
(e.g., English and Spanish are both alphabetic orthographies) might have an advantage in
phonological awareness (and relatedly decoding) when compared to L2 learners with an L1 that
is highly typologically different to their L2, for example Chinese and English. That said, findings
from studies comparing phonological awareness and decoding are not consistent and have found
variations in the significance and extent of group differences (Melby-Lervag & Lervag, 2014). In
a recent meta-analysis reviewing 82 studies, Melby-Lervag and Lervag (2014) concluded that
there were no reliable differences in PA or decoding between children with a logographic L1
(e.g., Chinese) and alphabetic L2 (e.g., English), and children with an L1 and L2 that were both
alphabetic (e.g., English and Spanish). Findings from this study appear to support a typological
differences hypothesis (Wade-Woolley, 1999; Wade-Woolley & Geva, 2000); the Chinese-
speaking group performed less well to the Portuguese- and Spanish-speaking groups on
phonological awareness. Nonetheless, there were no significant differences across the home
language groups on word reading (accuracy or fluency). It may be that the Chinese-speaking
children rely more heavily on an orthographic processing route rather than a phonological
processing route when word reading (Coltheart, Rastle, Perry, Langdon, & Ziegler, 2001; Wade-
Woolley, 1999; Wang, Koda, & Perfetti, 2003), and are using visual spelling patterns as an
alternate path to word identification. Despite lower PA skills, the word reading skills of the
Chinese-speaking children were on par with the Spanish- and Portuguese-speaking children
(Melby-Lervag & Lervag, 2014; Wade-Woolley, 1999). Further investigation involving an
orthographic processing task designed to assess children’s knowledge of visual patterns versus
word retrieval via phonological processing and letter-sound knowledge would be needed to
confirm this hypothesis.
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58
Table 2.
The effect of home language background on the cognitive, linguistic, and reading skills in grade 2: Descriptive statistics and post hoc
comparisons
Portuguese-speaking
(P; n = 37)
Chinese-speaking
(C; n = 36)
Spanish-speaking
(S; n = 54)
Variable M SD M SD M SD F
Statistic
Effect
Size (η2) †
Post-Hoc
Comparisons
Age (in months) 94.47 4.24 92.85 4.06 92.53 4.44 2.72 .05 ns
Naming speed (in seconds) 47.25 12.03 43.81 13.42 45.92 8.44 .98 .02 ns
Phonological awareness (/40) 21.73 7.82 13.09 8.21 21.11 7.23 17.62*** .22 P = S > C
Receptive vocabulary (/228) 107.57 14.83 104.28 19.06 96.31 18.73 3.89 .06 ns
Oral expression (/96) 68.70 15.78 69.83 14.24 67.53 13.02 .28 .01 ns
Word reading in isolation (/106) 51.03 13.08 56.30 13.37 51.42 12.52 2.36 .04 ns
Word-level fluency (words/45 seconds) 70.08 26.00 81.30 27.47 71.58 25.12 2.47 .04 ns
Reading comprehension (/43) 16.38 4.62 17.61 4.39 15.69 3.91 2.27 .04 ns
Notes. N = 127; * p < .007 (Bonferroni corrected); SD = standard deviation, η2 = eta squared, ns = not statistically significant;
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992)
THE LINGUISTIC AND READING SKILLS OF ELLS
59
An additional comparison was conducted to check whether either the Portuguese- or
Spanish-speaking groups were benefiting from an advantage on L2 English vocabulary in grade
2 due to shared cognates (e.g., ambalancia, triangulo, dentista) between Portuguese and English,
or Spanish and English vocabulary. Cognates are words that share common roots and spellings,
sounds, and meanings across languages. Some research findings have indicated that knowledge
about cognates can facilitate L2 vocabulary acquisition and as a consequence, reading
comprehension. For example, Spanish ELLs may be able to use their knowledge of Spanish-
English cognates to aid their English reading comprehension when encountering new and
unfamiliar words in English (Proctor and Mo, 2009; Ramirez, Chen, Geva, & Kiefer, 2010). The
same benefit could be hypothesized with Portuguese ELLs given the similarities between
Portuguese and Spanish. Sixty cognate items were removed from the English vocabulary task
and between-language comparisons were conducted again using the remaining 108 items and
using the Bonferroni-corrected -value of .007 to indicate significance. The results were similar
to the group comparisons on the full English vocabulary measure, F(2, 123) = 4.70, p = .01, η2 =
.08, with no significant differences across home language groups on the English vocabulary
measure in grade 2. This suggests that children in the Portuguese- and Spanish-speaking groups
were not at an advantage due to their potential cognate knowledge, nor were the Chinese-
speaking group at a disadvantage, given that the removal of the cognates did not change the
mean differences in general vocabulary across the three language groups.
To evaluate differences between the three home language groups in grade 4, multiple
ANOVAs were conducted using the 11 variables of interest in grade 4 (i.e., the decoding and
language comprehension grouping variables, nonverbal cognitive ability, working memory,
receptive vocabulary, five reading measures, and inferencing strategy). A Bonferroni-corrected
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60
-value of .0044 to indicate significance (i.e., = .05 divided by 11 variables) was employed.
Table 3 presents descriptive statistics and post hoc comparisons for the three home language
groups based on the variables under study in grade 4. The mean performance of the three home
language groups were not significantly different from each other on either of the grouping
variables (i.e., decoding and language comprehension), or any of the cognitive, oral language,
reading, or higher-order variables of interest except for nonverbal cognitive ability, F(2, 124) =
12.33, p <.001, η2 = .17 (indicating a small to medium effect size; Cohen, 1992). The Chinese-
speaking group (M = 38.11, SD = 9.56) outperformed the Spanish- (M = 28.89, SD = 8.04) and
Portuguese-speaking (M = 31.95, SD = 9.05) groups on nonverbal cognitive ability. This
difference in nonverbal cognitive ability has been previously documented in the literature and is
attributed to an increased spatial ability exhibited by Chinese-speakers perhaps as a consequence
of their exposure to Chinese orthography and home-practices related to learning (e.g., Ramirez,
Chen, Geva, & Luo, 2011). Nonverbal cognitive ability was used as a cognitive control in
subsequent analyses to account for the potential variability on this task across participants.
Like in the grade 2 analyses, an additional comparison was conducted to check whether
either the Portuguese- or Spanish-speaking groups were benefiting from an advantage on L2
English vocabulary in grade 4 due to shared cognates between Portuguese and English, or
Spanish and English vocabulary. Sixty cognate items were removed from the English vocabulary
task and between-language comparisons were conducted again using the remaining 108 items.
The ANOVA was significant, F(2, 123) = 8.68, p = .000, η2 = .12; post hoc analyses revealed
that the Portuguese- (M = 87.41, SD = 6.25) and Chinese-speaking groups (M = 86.62, SD =
8.63) were performing significantly better than the Spanish-speaking group (M = 79.97, SD =
10.24) once the cognate items were removed. This finding does not support a cognate-advantage
THE LINGUISTIC AND READING SKILLS OF ELLS
61
hypothesis. It was concluded that none of the groups were at an advantage (or disadvantage) due
to cognate knowledge.
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62
Table 3.
The effect of home language background on age, the grouping measures, and the cognitive, linguistic, higher-order, and reading skills
in grade 4: Descriptive statistics and post hoc comparisons
Portuguese-speaking
(P; n = 37)
Chinese-speaking
(C; n = 36)
Spanish-speaking
(S; n = 54)
Variable M SD M SD M SD F
Statistic
Effect
Size (η2) †
Post-Hoc
Comparisons
Age (in months) 118.32 4.28 116.11 4.60 116.28 4.60 2.96 .05 ns
Decoding (/45) 28.19 7.79 30.09 8.48 28.72 8.04 .67 .01 ns
Language comprehension (/96) 60.35 13.19 55.85 12.40 53.67 14.79 2.42 .04 ns
Nonverbal cognitive ability (/64) 31.95 9.05 38.11 9.56 28.89 8.04 12.33* .17 C > P = S
Working memory (/16) 4.65 1.69 4.67 1.41 4.33 1.79 .53 .009 ns
Word reading in isolation (/106) 65.81 11.26 72.17 11.80 69.31 13.06 3.08 .05 ns
Word reading in context (/100) 53.70 19.31 60.22 20.91 56.03 19.15 1.26 .02 ns
Word-level fluency (words/45 seconds) 99.24 23.56 108.46 21.53 100.47 21.63 2.37 .04 ns
Text-level fluency (words/minute) 78.38 23.26 88.23 23.17 74.02 23.26 4.02 .06 ns
Receptive vocabulary (/228) 131.57 12.30 131.00 16.01 119.06 17.72 7.91 .11 ns
Inferencing strategy (/18) 11.73 3.72 12.46 3.02 11.19 3.91 1.47 .02 ns
Reading comprehension (/44) 22.14 7.87 25.44 8.06 21.17 7.83 3.67 .06 ns
Notes. N = 127; *p < .004 (Bonferroni corrected); SD = standard deviation, η2 = eta squared, ns = not statistically significant;
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992)
THE LINGUISTIC AND READING SKILLS OF ELLS
63
Box’s M tests, used to determine whether two or more covariance matrices are equal,
were conducted using the grade 2 variables and grade 4 variables separately, to confirm that any
observed differences across the home language groups were typical variations occurring as a
result of immigration, demographic, and cultural differences etc., and that the groups were not
qualitatively different from each other on the cognitive, reading, and language skills that
mattered for this research. The test in grade 2 was not significant: Box’s M = 60.24, p = .351;
there were no significant differences in the covariance matrices in grade 2 among the
Portuguese-, Spanish-, and Chinese-speaking groups. The test in grade 4 was significant, Box’s
M = 247.54, p < .001. The Box’s M test is highly sensitive to number of variables used in
analysis, and to unequal sample sizes across groups; Tabachnick and Fidell (2007) report that
under these conditions the test may not be robust. Given that, (a) 11 variables were used in the
grade 4 analysis, (b) participants in the home language groups were not evenly distributed
(Spanish-speaking = 56, Portuguese-speaking = 37, and Chinese-speaking = 36), and (c) there
were no significant differences in the grade 2 analysis, the significant result of this test must be
taken with caution as it may not reflect meaningful differences between groups (Tabachnick &
Fidell, 2007). Based on the results of these preliminary analyses and despite the observed
differences in grade 2 phonological awareness, grade 3 nonverbal cognitive ability, and the
correlation matrices in grade 4, it was decided that the amalgamation of participants from the
three home language backgrounds into one sample to increase statistical power was theoretically
and statistically warranted. All analyses and results reported from this point onward are based on
the combined sample with participants from the three home language backgrounds amalgamated.
Classification of ELL Participants To Reading Groups
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Participants were classified into one of four groups for analyses using measures of
decoding and language comprehension§: typically developing, poor decoders, poor language
comprehenders, and multi-deficit at-riskers. Each participant could only be a member of one
group and as noted earlier, the variables used in classification were not used again in analyses. In
line with prior research in the area (e.g., Geva & Herbert, 2012; Geva & Massey-Garrison,
2013), cut-off values at the 30th and 40th percentiles on decoding (using the Word Attack subtest
of the Woodcock Reading Mastery Test – Revised; Woodcock, 1987) and language
comprehension (using the Recalling Sentences subtest of the Clinical Evaluation of Language
Fundamentals; Semel, Wiig, & Secord, 1995) were used to identify children experiencing
difficulties on those skills in relation to the full sample of ELLs. Although this 30th percentile
cut-off is more liberal than what is used by clinicians (e.g., the 25th percentile is commonly used
to diagnose reading disability) and what is typically found in the reading disability literature
(Catts, Fey, Zhang, & Tomblin, 2001), it was felt that this more inclusive approach would
capture most if not all children who were significantly at-risk or already experiencing reading
problems. Moreover, one should be mindful of the dimensional nature of the skills involved in
poor reading (refer back to Figure 1 and the discussion about dimensionality in Chapter 2). The
ELL participants in this sample had been attending school in Canada and receiving English
instruction since kindergarten (i.e., four years), thus deficits in decoding or language by grade 4
§ A preliminary hierarchical regression analysis was performed to confirm the contributions of
decoding and language comprehension to reading comprehension. Age, nonverbal cognitive
ability, working memory (entered as the first step); and decoding and language comprehension
(entered as the second step); were regressed on reading comprehension. The model was
significant, F(2, 121) = 40.26, p < .001, R2 = .56, accounting for 56% of the variance in reading
comprehension. An examination of beta coefficients indicated decoding (β = .49, t = 7.16, p <
.001) and language comprehension (β = .22, t = 3.46, p = .001) both made unique contributions
to reading comprehension over and above age, nonverbal ability, and working memory, thus
supporting the use of these measures in the identification of different subtypes of ELL readers at-
risk for poor reading comprehension.
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65
would represent a real risk to their reading comprehension and future reading success.
Furthermore, other researchers have found below the 30th and above the 40th percentile cut-offs
to be helpful in identifying those children in need of “further assessment and attention in the
classroom” (Geva & Massey-Garrison, 2013, p. 391), and those who would represent a skilled
group of learners with little future risk for difficulty in reading (Geva & Massey-Garrison, 2013).
It is important to remember that the decoding and language comprehension variables used
in classification are continuous variables, and that children’s performance on these skills fall
along a continuum. For example, a child performing at the 30th percentile would likely be
indistinguishable from a child performing at the 31st percentile. Therefore, for statistical purposes
it was important to ensure that each group was distinct. Thus, cut-off scores at the 30th and 40th
percentiles on the decoding and language comprehensions measures were used in the
classification of participants to groups. Children falling at or below the 30th percentile on either
the decoding or language comprehension tasks were deemed at-risk, while children at or above
the 40th percentile were considered typically developing. The cut-off values on the decoding
measure (out of 45) were 25.40 for the 30th percentile, and 28.00 for the 40th percentile. The cut-
off values on the language comprehension measure (out of 96) were 48.00 at the 30th percentile
and 53.00 at the 40th percentile. The four reader groups were then classified as follows: children
who were at or above the 40th percentile in both decoding and language comprehension were
classified as typical developers; children who were at or below the 30th percentile on decoding
and at or above the 40th percentile on language comprehension were classified as poor decoders;
conversely, children who were at or below the 30th percentile on language comprehension and at
or above the 40th percentile on decoding were classified as poor language comprehenders; and
children who were at or below the 30th percentile on both decoding and language comprehension
were classified as multi-deficit at-riskers. Children falling between the 30th and 40th percentile on
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66
either decoding or language comprehension were designated to a “buffer zone”, and in order to
form discrete groups independent of one another for analyses, participants in the buffer zone
were removed from further analyses (n = 18). The buffer group consisted of 4 Portuguese-, 4
Spanish-, and 10 Chinese-speaking participants. There were 6 males and 12 females in the buffer
group. Chi-square analyses indicated that there was no significant differences between ELL
reader group (including the buffer group) and gender, χ2(4) = 3.91, p = .42.
Figure 2 presents a scatterplot of home language by participants’ decoding and language
comprehension raw scores including those in the buffer zone. Figure 3 displays a bar graph with
the number of participants in each reader group by home language group. A visual inspection of
the bar graph revealed that children across the three home language backgrounds were not
distributed evenly across the four ELL reading groups. In the poor decoder group there were 9
(out of 17) Portuguese-speaking, 1 (out of 17) Spanish-speaking, and 7 (out of 17) Chinese-
speaking participants; in the poor language comprehender group there were 1 (out of 15)
Portuguese-speaking, 8 (out of 15) Spanish-speaking, and 6 (out of 15) Chinese-speaking
participants; in the multi-deficit at-risker group there were 5 (out of 20) Portuguese-speaking, 9
(out of 20) Spanish-speaking, and 6 (out of 20) Chinese-speaking participants; and in the typical
developers group there were 18 (out of 57) Portuguese-speaking, 14 (out of 57) Spanish-
speaking, and 25 (out of 57) Chinese-speaking participants.
A chi-square analysis was conducted to confirm the observation that participants from the
three home language backgrounds were not distributed evenly across the four ELL reading
groups. The chi-square was significant, χ2(6) = 14.81, p = .02; there was at least one significant
difference between at least two of the ELL reading groups. Post hoc analyses using adjusted
residuals (an adjusted residual is a z-score representing the difference between the observed
value and expected value for a cell), and a Bonferroni-corrected -value of .0042 (i.e., = .05
THE LINGUISTIC AND READING SKILLS OF ELLS
67
divided by 12 comparisons) were conducted to locate the difference(s) between groups. That
said, after implementing the Bonferroni-correction (used to reduce Type I error when multiple
comparisons are conducted; Tabachnick & Fidell, 2007), no significant differences between ELL
reader group and home language background were found. This finding further supports the
earlier decision to amalgamate participants from the different home language backgrounds.
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68
Figure 2. Scatterplot showing home language background of the reader groups by their decoding
and language comprehension raw scores.
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69
Figure 3. Bar graph displaying the number of participants in each reader group by home
language group.
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70
The final total sample size for analyses was N = 109. Sample sizes for each reader group
in grade 4 were as follows: poor decoders (n = 17; 15.6% of sample), poor language
comprehenders (n = 15; 13.8% of sample), multi-deficit at-riskers (n = 20; 18.3% of sample),
and typical developers (n = 57; 52.3% sample). At first glance, these numbers might seem high
when compared to reported percentages of children with dyslexia and/or language impairment;
the prevalence of dyslexia in the population is often reported as approximately 10% (Snowling &
Hulme, 2012), while the percentage of children with language impairment is estimated to be
about 7% (Tomblin et al., 1997). As mentioned earlier, the goal of the present research was to
cast a wide net and to include all children who might be at-risk for reading comprehension
problems, including those who meet criteria for formal diagnoses, as well as those who do not
but who still fall at the problematic end of the continuum and struggle with reading. Thus, higher
percentages in comparison to those reported in studies involving children with formal diagnoses
would be expected.
Profiles of the reading groups using decoding and language comprehension z-scores are
presented in Figure 4. Z-scores were calculated in SPSS and are standardizations of the raw
scores (on decoding and language comprehension) with a mean of 0 and a standard deviation of
1. Figure 4 displays visually the differences among the four groups defined on the basis of their
relative performance on decoding and language comprehension. A visual inspection of the bars
shows that typical developers were good at both decoding and language comprehension when
compared to the other three groups, the poor language comprehenders had poor language
comprehension but decoding that was on par with that of the typical developers, the poor
decoders had poor decoding but language comprehension that was similar to that of the typical
developers, and the multi-deficit at-riskers had both poor decoding and language comprehension
when compared to the other three groups.
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Figure 4. Decoding and language comprehension profiles for the reader groups: multi-deficit at-
riskers, poor decoders, poor language comprehenders, and typical developers.
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72
Visual observations of decoding and language comprehension skill levels in Figure 4
were confirmed by a significant MANOVA test using decoding and language comprehension as
dependent variables and ELL reader group as the fixed factor, Wilks’ Λ = .09, F(6, 208) = 79.64,
p < .001. There was a significant group effect for at least one group on at least one of the
dependent variables. Pairwise post hoc comparisons were conducted to determine across which
groups and on which variables significant differences occurred. Table 4 presents descriptive
statistics and post hoc comparisons for the ELL reader groups on age, and the two measures used
to define the reading groups: decoding and language comprehension. These post hoc results
support the classification model: typical developers (M = 35.12, SD = 84.23) and poor language
comprehenders (M = 32.53, SD = 3.70) performed significantly better than the poor decoders (M
= 18.76, SD = 6.49) and multi-deficit at-riskers (M = 18.50, SD = 4.45) on decoding; typical
developers (M = 65.12, SD = 7.41) and poor decoders (M = 63.47, SD = 9.18) performed
significantly better than poor language comprehenders (M = 39.93, SD = 8.67) and multi-deficit
at-riskers (M = 40.80, SD = 5.49) on language comprehension; no other significant differences
were observed.
Also reported in Table 4 are English monolingual testing norm scores for the ELL
reading groups on each grouping measure. Test norms for the decoding measure are standardized
using a mean of 100 and an SD of 15 (Word Attack subtest, Woodcock Reading Mastery Test –
Revised; Woodcock, 1987); test norms for the language comprehension measure are
standardized using a mean of 10 and a SD of 3 (Recalling Sentences subtest, Clinical Evaluation
of Language Fundamentals; Semel, Wiig, & Secord, 1995). On decoding, poor decoders (SS =
86) and multi-deficit at-riskers (SS = 86) performed at almost 1 standard deviation below the
mean when compared to monolingual norms, while poor language comprehenders (SS = 105)
and typical developers (SS = 109) performed above the mean when compared to monolingual
THE LINGUISTIC AND READING SKILLS OF ELLS
73
norms. On language comprehension, the poor language comprehenders (SS = 5) and multi-deficit
at-riskers (SS = 5) performed one standard deviation below the mean when compared to
monolingual norms, while poor decoders (SS = 10) and typical developers (SS = 10) performed
at the mean when compared to monolingual norms. These observations of test norm standardized
scores further supported the validity of the classification model.
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Table 4.
The effect of ELL reader group on age, decoding, and language comprehension: Descriptive statistics and post hoc comparisons
1
Poor
Decoders
(n = 17)
2
Poor Language
Comprehenders
(n = 15)
3
Multi-deficit
At-riskers
(n = 20)
4
Typical
Developers
(n = 57 )
Measure M SD SS M SD SS M SD SS M SD SS F
Statistic
Effect
Size (η2)†
Post Hoc
Comparisons
Age (in months) 117.00 5.10 — 116.60 4.97 — 116.10 5.08 — 116.56 3.97 — 0.12 .004 ns
Decoding (/45)1 18.76 6.49 86 32.53 3.70 105 18.50 4.45 86 35.12 4.23 109 91.98*** .72 4 & 2 > 1 & 3
Decoding (z-score) -1.28 .80 — .42 .46 — -1.19 .55 — .74 .52 — 91.98*** .72 4 & 2 > 1 & 3
Language comprehension (/96)2 63.47 9.18 10 39.93 8.67 5 40.80 5.49 5 65.12 7.41 10 81.53*** .70 4 & 1 > 2 & 3
Language comprehension (z-score) .52 .68 — -1.23 .64 — -1.17 .41 — .64 .55 — 81.53*** .70 4 & 1 > 2 & 3
Notes. N = 109; SD = standard deviation; SS = standardized score based on monolingual norms; η2 = eta squared; *** p <.001, ** p <
.01,* p <.05; ns = not statistically significant
1 The standardized score for the decoding measure has a mean of 100 and a standard deviation of 15.
2 The standardized score for the language comprehension measure has a mean of 10 and a standard deviation of 3.
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992)
THE LINGUISTIC AND READING SKILLS OF ELLS
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Summary of Data Preparation Techniques
This chapter has provided details of, and support for, the amalgamation of participants
from three home language groups into one sample, and the identification and classification of
ELL participants into one of four reading groups for analyses. Support for the amalgamation of
participants from differing L1s was gained through the following statistical procedures: (1)
ANOVA, (2) cognate-item analyses, and (3) Box’s M tests. Results of the ANOVAs using the
grade 2 and 4 variables, indicated one group difference in each grade across the Chinese,
Portuguese, and Spanish groups. Specifically, in grade 2 the groups were different in their mean
scores on phonological awareness; the Spanish and Portuguese groups performed better on the
measure than the Chinese group. It was concluded that this difference could be explained by
typological differences across orthographies (Gottardo, Pasquarella, Chen, & Ramirez, 2015;
Wade-Woolley, 1999; Wade-Woolley & Geva, 2000). This difference did not translate into
differences across home languages groups on word reading or decoding however. In grade 4, the
home language groups were different in their mean scores on nonverbal cognitive ability with the
Chinese group performing better on the measure than the Spanish and Portuguese groups. This
difference has been documented in other research in the literature (e.g., Ramirez, Chen, Geva, &
Luo, 2011). As a result of this finding, it was decided that nonverbal cognitive ability would be
used as a control variable for all further analyses.
Given the possibility that groups could be performing differentially in their vocabulary
knowledge due to a cognate knowledge advantage or disadvantage, the home language groups
were evaluated on their cognate knowledge in grades 2 and 4 using a general vocabulary
knowledge measure, the Peabody Picture Vocabulary Test (PPVT III; Dunn & Dunn, 1997). No
differences were initially observed in grade 2 or 4 across the home language groups on this
vocabulary measure. When cognate items were removed, again no meaningful differences across
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76
the groups were found. It was concluded that the Portuguese and Spanish participants were not at
an advantage due to their potential cognate knowledge, nor were the Chinese participants at a
disadvantage due to lack of cognate knowledge, in their general vocabulary.
Finally, Box’s M tests were conducted to evaluate differences in the correlation matrices
on the variables under study across the three home language groups. The test was nonsignificant
when using the grade 2 variables. In grade 4 however, the test was significant. Given the small
and unequal group sizes, it was concluded that results of this test should be interpreted with
caution, as it has been reported that the test is not as robust under those group conditions
(Tabachnick & Fidell, 2007). All in all, based on a pattern of statistical results suggesting that
there were few significant or meaningful differences across the Chinese, Spanish, and Portuguese
groups, the three home language groups were amalgamated into one larger sample to increase
power in subsequent analyses.
The second data preparation technique presented in this chapter was the identification and
classification of the ELL participants into one of four reading groups for analyses, using the
relationship between their individual scores on decoding and language comprehension (as per the
SVR). Using below the 30th percentile and above the 40th percentile on these measures as cut-off
points, participants were identified as having poor decoding, poor language comprehension, or
poor at both, and classified as such (Geva & Herbert, 2012; Geva & Massey-Garrison, 2013). To
ensure that the four reading groups were distinct from each other for further statistical analyses,
participants with scores falling between the 30th and 40th percentiles on either measure were
removed from analyses. Follow-up tests were conducted to evaluate the success of this
classification method in producing the intended theoretical reading groups (see Table 4). An
evaluation of the reading groups’ mean scores on decoding and language comprehension, as well
as a comparison of the groups’ standardized scores to monolingual norms confirmed that: (1) the
THE LINGUISTIC AND READING SKILLS OF ELLS
77
poor decoders group were impaired in their reading when compared to the typically developing
group, (2) the poor language comprehenders were impaired in their language comprehension
when compared to the typically developing group, and (3) that the multi-deficit at-riskers were
impaired in their decoding and language comprehension when compared to the typically
developing group.
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Chapter 5: Study 1 – Linguistic and Reading Profiles of At-risk ELL Readers
The previous chapter focused on distinguishing participants in the sample who were
typically developing in their decoding and language comprehension skills, from those who were
at-risk for poor reading comprehension due to compromised skills in those areas. This chapter
focuses on examining the concurrent linguistic and reading skill profiles of the at-risk reading
groups in grade 4. Readers at-risk for poor comprehension can display different sources of
reading problems (Geva & Herbert, 2012; Geva & Massey-Garrison, 2013; Li & Kirby, 2014;
Tong, Deacon, Kirby, Cain, & Parrila, 2011). Thus, the goal of Study 1 was to examine the grade
4 skill profiles—word reading accuracy, fluency at the word- and text-levels (i.e., efficiency in
reading lists of words and efficiency in reading words within connected text, respectively),
vocabulary, inferencing strategy, and reading comprehension—of ELLs grouped into typically
developing or at-risk subtypes based on their decoding and language comprehension skills in
grade 4. Profiles of ELLs in grade 4 rather than at an earlier time point were chosen for two
reasons. First, a lot more is known about what sources of reading difficulties look like for
children in the primary grades (Vellutino, Fletcher, Snowling, & Scanlon, 2004). Early reading
problems tend to manifest as poor word reading accuracy and fluency, and children with
language problems (and no decoding issues) are difficult to identify because early reading does
not rely heavily on complex language skills. Less is known about ELL children with later
emerging reading problems as a consequence of difficulties with language. Second, with the shift
from “learning to read”, to “reading to learn” that occurs in the middle elementary grades (Chall,
1996), the application and implications of poor reading change. As children progress through
elementary school, the texts they read become more difficult, the demands of reading more
challenging, and the repercussions of not being able to read well, more severe. By grade 4
children with language problems should be identifiable, though one of the issues is whether it is
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79
possible to identify ELLs with language difficulties at an earlier time point (and this is the focus
of the Study 2).
Research Question and Hypotheses for Study 1
For Study 1, one broad research question was posed: Do distinct profiles describe the
performance of typical developers, poor decoders, poor language comprehenders, and multi-
deficit at-riskers on word reading (accuracy and fluency), vocabulary, text-level reading fluency,
inferencing strategy, and reading comprehension over the role of nonverbal cognitive ability and
working memory? Five hypotheses about the profiles of the ELL at-risk reading subtypes were
made in relation to these five areas of interest:
1. It was hypothesized that ELL readers classified as at-risk due to compromised
decoding skills (i.e., poor decoders and multi-deficit at-riskers) would have
difficulties with all aspects of word reading when compared to typical developers,
due to their inability to decode words accurately and efficiently. Poor language
comprehenders (with intact decoding skills) would perform similarly to typical
developers, and show no specific difficulties with the word reading tasks.
Compromised decoding skills include: word reading using lists of words, word
reading using passages of text, and word-level reading fluency, also using lists of
words.
2. It was hypothesized that the multi-deficit at-riskers and poor language comprehenders
would have difficulty with vocabulary when compared to the typically developing
children because of their compromised language development. Poor decoders would
perform similarly to the typical developers given that their language comprehension
skills (for which they have no impairment) would likely encompass a good level of
vocabulary development.
THE LINGUISTIC AND READING SKILLS OF ELLS
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3. It was hypothesized that a different profile of reading fluency would be observed
across the reading subtypes for text-level reading fluency in grade 4 (when compared
with word-level reading fluency – see hypothesis 1). Because text-level reading
fluency encompasses automatic word-level reading processes but also involves
language and meaning-making processes (Ehri, 2002; Geva & Farnia, 2012; Kim &
Wagner, 2015), it was predicted that all three poor reading subtypes would have
difficulties with text-level fluency. Due to their already inefficient word recognition
skills, the poor decoders and multi-deficit at-riskers would have difficulty with text-
level reading fluency; theoretically it would be impossible to read efficiently at the
text-level if automaticity had not already been achieved at the word-level. The poor
language comprehenders would also have difficulty with this skill due to their
compromised ability to make the meaning required to “bridge” word reading with
reading comprehension through language.
4. It was hypothesized that all three at-risk reader subtypes would struggle with
inferencing when compared with typically developing ELLs and after controlling for
working memory, but for different reasons. Poor decoders and multi-deficit at-riskers
would struggle due to a lack of automaticity in their word reading (Cain & Oakhill,
1999; Prior, Goldina, Shany, Geva, & Katzir, 2014). Because of their poor decoding,
their cognitive resources would be directed toward lower-level reading skills
(decoding, word recognition, and fluency) leaving them little attention for the higher-
level text processing required by inferencing. Given that the multi-deficit at-riskers
also were defined by their difficulties with language (another necessary component of
effective inferencing), it was hypothesized that problems with inferencing might be
even more pronounced when compared to the poor decoders. Conversely, although
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81
poor language comprehenders would in theory have fluent word reading skills
(accuracy and speed), they would not be able to capitalize on the understanding
gained from applying inferencing strategies because of their impaired language, as
successful inferencing is also heavily reliant on oral language proficiency (Geva &
Massey-Garrison, 2013; Li & Kirby, 2014; Prior, Goldina, Shany, Geva, & Katzir,
2014).
5. Based on the SVR (Gough & Tunmer, 1986), it was hypothesized that due to their
varying profiles of deficits in decoding and/or language, all three at-risk reading
subtypes would have significant difficulty with their reading comprehension when
compared to typically developing ELL readers.
Two analyses were conducted to examine the relationships between ELL reading group
in grade 4, and word reading accuracy and fluency, vocabulary, text-level reading fluency,
inferencing strategy, and reading comprehension. First, a preliminary correlation analysis was
conducted to examine the relationships among the variables under study. Second, a MANCOVA
was conducted. This analysis was selected because MANCOVA allows for the exploration of
how the means of a set of dependent variables vary across levels of a factor (Meyers, Gamst, &
Guarino, 2013). It also allows for the inclusion of a covariate or variable known to have a
potential impact on the dependent variables under study. ELL reader group was the factor
variable and included the four ELL reader groups as classified in grade 4: typical developers,
poor decoders, poor language comprehenders, and multi-deficit at-riskers. Word reading in
isolation, word reading in context, word-level reading fluency, text-level reading fluency,
vocabulary, inferencing strategy, and reading comprehension were the dependent variables of
interest; nonverbal cognitive ability and working memory were used as covariates due to their
potential impact on the relationships of interest.
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Relationships Among the Grade 4 Variables
Table 5 displays the correlation matrix for grade 4 concurrent variables used in Study 1.
In support of the SVR, decoding and language comprehension were positively and significantly
correlated with each other (r = .32, p < .001), with reading comprehension (r = .66, p < .001; r =
.45, p < .001, respectively), and with all other reading skill measures. This observation
corroborates the importance of these two skills for reading and provides additional support for
their use in the making of at-risk reader subgroups. Also noteworthy was that the two cognitive
controls, nonverbal cognitive ability and working memory, were significantly correlated with all
the measures under study, save the relationship between working memory and text-level reading
fluency (r = .01, p > .05). This finding supports the use of nonverbal cognitive ability and
working memory as covariates in the analysis.
With regard to the two skill areas of special focus, word- and text-level reading fluency
were significantly correlated with all the measures under study but text-level reading fluency did
not correlate with working memory (as mentioned previously). Word- and text level fluency
were highly correlated with each other (r = .60, p < .001). Word-level reading fluency was also
most highly correlated with reading comprehension (r = .73, p < .001), and the other measures of
word reading: decoding (r = .78, p < .001); word reading in isolation (r = .81, p < .001), and
word reading in context (r = .72, p < .001), and moderately correlated with vocabulary (r = .56, p
< .001). Conversely, text-level fluency was highly related to vocabulary (r = .56, p < .001) and
modestly related to reading comprehension (r = .39, p < .001) and language comprehension (r =
.29, p < .001). Inferencing was significantly correlated with all the variables in the analyses,
showing the strongest relationships with reading comprehension (r = .61, p < .001) and word
reading skills – decoding, word reading accuracy, word-level fluency (r = .50 to .57, p < .05).
THE LINGUISTIC AND READING SKILLS OF ELLS
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Table 5.
Correlation matrix showing the relationships among the grade 4 variables in Study 1
1 2 3 4 5 6 7 8 9 10 11
1 Decoding† 1 .32*** .32*** .33*** .82*** .71*** .78*** .30*** .45*** .50*** .66***
2 Language comprehension† 1 .25** .19* .39*** .35*** .38*** .29*** .42*** .45*** .45***
3 Nonverbal cognitive ability 1 .43*** .38*** .40*** .29*** .19* .45*** .33*** .47***
4 Working memory 1 .33*** .41*** .22* .01 .19* .32*** .37***
5 Word reading in isolation 1 .81*** .81*** .41*** .55*** .57*** .77***
6 Word reading in context 1 .72*** .33*** .54*** .54*** .82***
7 Word-level fluency 1 .60*** .54*** .56*** .73***
8 Text-level fluency 1 .56*** .36*** .39***
9 Vocabulary 1 .45*** .61***
10 Inferencing strategy 1 .58***
11 Reading comprehension 1
Notes. N = 127; † variable used for grouping of ELL readers; *** p <.001, ** p < .01,* p <.05
THE LINGUISTIC AND READING SKILLS OF ELLS
84
Do children with compromised decoding and/or language comprehension also have
difficulties with their current word reading, fluency, vocabulary, inferencing strategy, and
reading comprehension?
A MANCOVA was conducted to examine differences among the ELL reader groups on
the reading skill measures (word reading in isolation, word reading in context, word- and text-
level reading fluency, vocabulary, inferencing strategy, and reading comprehension), after
controlling for nonverbal cognitive ability and working memory. The MANCOVA was
significant, Wilks’ Λ = .42, F(21, 279) = 4.71, p < .001, with partial η2 = .25, indicating a
medium effect (Meyers, Gamst, & Guarino, 2013); there was at least one group difference for at
least one dependent variable after controlling for working memory and nonverbal cognitive
ability. Working memory was not significant, Wilks’ Λ = .91, F(7, 97) = 1.42, p = .20, η2 = .09;
while nonverbal cognitive ability was significant, Wilks’ Λ = .81, F(7, 97) = 3.26, p < .05, η2 =
.19.
Bonferroni-corrected ANOVAs were conducted for each dependent variable to determine
on which variable(s) the reader groups were different from each other, and to account for the
percent of variance unique to each predictor. Statistically significant differences were observed
on all seven dependent variables: word reading in isolation, F(3,103) = 20.45, p <.001, η2 = .37;
word reading in context, F(3,103) = 15.40, p <.001, η2 = .31; word-level reading fluency,
F(3,103) = 26.58, p <.001, η2 = .44; text-level reading fluency, F(3,103) = 3.06, p <.05, η2 = .08;
vocabulary, F(3,103) = 6.08, p <.001, η2 = .15; inferencing strategy, F(3,103) = 5.94, p <.001, η2
= .15; and reading comprehension, F(3,103) = 18.75, p <.001, η2 = .35. In support of the SVR,
ANOVA results indicated that word reading in isolation and reading comprehension showed
strong differences across ELL reader groups accounting for 37% and 35% of the variance (as
indicated by partial η2), after controlling for nonverbal cognitive ability and working memory.
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85
However in support of an expanded SVR, the variable that most clearly distinguished the groups
was reading fluency, accounting for 44% of the variance. Word reading in context followed
closely behind fluency, word reading in isolation, and reading comprehension in explaining
differences across the ELL reading groups, accounting for 31% of the variance. Vocabulary and
inferencing strategy accounted for 15% of the variance. Finally, text-level reading fluency was
also significant, accounting for 8% of the variance between ELL reading groups. Table 6
displays descriptive statistics and post hoc results for the ELL reader groups on the grade 4
dependent variables of interest.
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Table 6.
The effect of ELL reader group on word reading, fluency, vocabulary, inferencing, and reading comprehension variables of interest in
grade 4: Descriptive statistics and post hoc comparisons
1
Poor
Decoders
(n = 17)
2
Poor Language
Comprehenders
(n = 15)
3
Multi-deficit
At-riskers
(n = 20)
4
Typical
Developers
(n = 57 )
Measure M SD M SD M SD M SD F
Statistic
Effect
Size (η2)†
Post Hoc
Comparisons††
Word reading in isolation (/106) 58.82 13.51 71.47 9.61 57.15 6.29 69.75 9.18 20.45*** .37 4 > 1 & 3
2 > 1 & 3
Word reading in context (/100) 42.53 15.74 60.93 17.60 36.80 6.20 67.46 17.20 15.40*** .31 4 > 1 & 3
2 > 1 & 3
Word-level fluency (words/45 seconds) 80.29 20.28 103.20 19.98 82.45 12.36 118.23 16.85 26.58*** .44 4 > 1, 2, & 3
2 > 1 & 3
Text-level fluency (words/minute) 70.08 22.09 73.22 22.28 77.89 24.53 89.59 26.21 3.06** .08 ns
Vocabulary 124.24 11.43 123.73 17.73 115.65 14.95 135.35 14.41 6.08*** .15 4 > 3
Inferencing strategy (/18) 10.29 3.43 11.40 3.92 8.95 3.62 13.39 2.91 5.94*** .15 4 > 1 & 3
Reading comprehension (/44) 18.65 6.52 22.73 8.96 13.90 3.29 27.96 6.09 18.75*** .35 4 > 1, 2, & 3
2 > 3
Notes. N = 109; SD = standard deviation, η2 = eta squared; *** p <.001, ** p < .01,* p <.05; ns = not statistically significant;
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992);
†† significant Bonferroni-corrected pairwise comparisons
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An examination of post hoc pairwise comparisons revealed several interesting findings.
Figures 5, 6, and 7 visually display the differences across the groups; Table 6 provides
significant pairwise comparisons in the post hoc labeled column. As can be seen in Figure 5,
poor decoders and multi-deficit at-riskers had significant difficulties in their word reading skills
in grade 4—word reading in isolation using lists of words, and in context using passages of
text—when compared with poor language comprehenders and typical developers groups. As can
be seen in Figure 6, all three at-risk reader groups read words with significantly less fluency than
typical developers; no significant differences among the groups were observed with regard to
text-level reading fluency. Figure 7 displays the differences on vocabulary, inferencing strategy,
and reading comprehension; all three at-risk groups exhibited some constellation of problems
with these skills when compared with typical developers: (1) the multi-deficit at-riskers had
significant difficulties with vocabulary when compared to the typical developers – no other
significant difficulties in vocabulary were observed among the other two ELL reader groups; (2)
along with poor decoders, the multi-deficit at-riskers also had significant difficulties with
inferencing strategy; and (3) all three at-risk groups performed more poorly than the typical
developers on reading comprehension.
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Figure 5. Word reading profiles (in isolation and in context) for the typically developing and at-
risk reader groups under study
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Figure 6. Word- and text-level fluency profiles for the typically developing and at-risk reader
groups under study
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90
Figure 7. Vocabulary, inferencing, and reading comprehension profiles for the typically
developing and at-risk reader groups under study
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Types of Inferencing Strategies Used by the ELL Reader Groups
An additional set of analyses were conducted to examine the types of inferencing
strategies used by the ELL readers (Canet-Juric, Andrés, Urquijo, & Burin, 2011), and to test the
hypothesis that the at-risk groups would have difficulty with inferencing in different ways. There
were three types of inferencing questions: (1) literal inference items (n = 6) which required the
reader to make a direct connection between the question, and information explicitly provided
within the text, (2) text-connecting inference items (n = 6) which required the reader to integrate
information provided in two sentences or clauses to answer the question, and (3) gap-filling
inference items (n = 6), which required the reader to use their prior or background knowledge to
answer the question. Table 7 presents descriptive statistics (mean and standard deviation) and
item analyses (internal consistency reliabilities, item-test correlations, and difficulty indexes) for
each type of inference, for the whole sample. A visual inspection of the means for each inference
type revealed that gap-filling inferences were the most difficult, followed by text-connecting
inferences. Literal inferences were the least difficult. This observation was confirmed by an
evaluation of difficulty index scores. A difficulty index is a measure of the proportion of
participants who responded to items successfully. This difficulty index can range from 0 (0 items
out of 6 correct) to 1 (6 items of out 6 correct). For this task, a score of 5 or 6 (out of 6) was
considered “successful”. As can be seen in Table 7, 75% of the sample received a score of 5 or 6
(out of 6) on items involving literal inferences, 62% of the group received a score of 5 or 6 (out
of 6) on items involving text-connecting inferences, and only 10% of the group received a score
of 5 or 6 (out of 6) on items involving gap-filling inferences. Text-connecting inferences, those
requiring connections to background knowledge, were clearly the most difficult type of inference
to make for the sample as a whole.
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Table 8 presents descriptive statistics and post hoc comparisons for type of inferencing
strategy by ELL reading group. An inspection of the means suggests that the pattern of difficulty
for the three types of inferences was similar across the reading groups, with all four groups
finding gap-filling inferences to be the most difficult (i.e., averaging the lowest score out of 6 for
all four groups), and literal inferences the least difficult (i.e., averaging the highest score out of 6
for all four groups). ANOVAs were conducted to determine differences among reader groups by
type of strategy the reader. Statistically significant differences were observed on all three
inference types: literal inferences, F(3,104) = 10.92, p <.001, η2 = .24, indicating a medium
effect (Cohen, 1992); text-connecting inferences, F(3,104) = 10.35, p <.001, η2 = .23, indicating
a medium effect (Cohen, 1992); and gap-filling inferences, F(3,104) = 10.21, p <.001, η2 = .23,
indicating a medium effect (Cohen, 1992). An examination of post hoc comparisons revealed
that: (1) multi-deficit at-riskers had difficulty with all three type of inferences when compared to
typical developers, (2) poor language comprehenders performed similarly to typical developers
on all inferencing strategies, and (3) poor decoders had difficulties with text-connecting and gap-
filling inferences when compared to typical developers, but not with literal inferences.
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Table 7.
Descriptive statistics and item analyses for different inferencing strategy types
Inference Type M SD Cronbach’s α Item-test Correlation Difficulty Index
Literal (/6) 5.09 1.26 .64 .77 .75
Text-connecting (/6) 4.51 1.51 .65 .78 .62
Gap-filling (/6) 3.60 1.41 .47 .73 .10
Notes. N = 127; SD = standard deviation
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Table 8.
The effect of ELL reader group on inference strategy type: Descriptive statistics and post hoc comparisons
1
Poor
Decoders
(n = 17)
2
Poor Language
Comprehenders
(n = 15)
3
Multi-deficit
At-riskers
(n = 20)
4
Typical
Developers
(n = 57 )
Inference Type M SD M SD M SD M SD F Statistic Effect Size
(η2) †
Post Hoc
Comparisons††
Literal (/6) 4.94 1.44 5.07 1.22 3.74 1.49 5.49 0.91 10.92*** .24 1, 2, & 4 > 3
Text-connecting (/6) 3.52 1.70 4.69 1.40 3.53 1.90 5.18 1.05 10.35*** .23 4 > 1 & 3
Gap-filling (/6) 2.00 1.00 2.60 1.55 1.42 1.17 3.18 1.33 10.21*** .23 4 > 1 & 3
Notes. N = 109; SD = standard deviation, η2 = eta squared; *** p <.001, ** p < .01,* p <.05;
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992);
†† significant Bonferroni-corrected pairwise comparisons
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Summary of Study 1
The goal of Study 1 was to examine the concurrent linguistic and reading skill profiles of
at-risk ELL reading subtypes. One broad research question was posed: Do distinct profiles
describe the performance of typical developers, poor decoders, poor language comprehenders,
and multi-deficit at-riskers on word reading (accuracy and fluency), vocabulary, text-level
reading fluency, inferencing strategy, and reading comprehension over the role of nonverbal
cognitive ability and working memory? To answer this question, two analyses were undertaken.
First, correlational analyses were conducted to explore relationships among the grade 4 variables.
Varying degrees of significant relationships were observed among all of the grade 4 variables
under study except working memory with text-level reading fluency.
Second, a MANCOVA was conducted to investigate differences between the typically
developing and at-risk reader groups on the linguistic, cognitive, and reading measures of
interest. For poor decoders, it was hypothesized that they would have difficulty with all word
reading-related measures under study, that is, word reading accuracy using lists of words and
passages of text, and also word-level reading fluency. It was expected that they would also have
difficulty with text-level fluency, inferencing, and reading comprehension as a result of their
inability to read accurately and fluently at the word-level. For poor language comprehenders, it
was hypothesized that they would have difficulty with vocabulary knowledge, an important
supporting component of language. It was also expected that they would have difficulties with
text-level fluency, inferencing, and reading comprehension due to the reliance of these skills on
good oral language proficiency. Finally, it was hypothesized that multi-deficit at-riskers,
classified as such due to their compounded difficulties with decoding and language, would have
difficulties with all the aforementioned reading and linguistic measures of interest.
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As expected by the SVR, word reading and reading comprehension showed strong
differences across the reading groups. Typical developers followed by poor language
comprehenders performed significantly better than the poor decoders and multi-deficit at-riskers
on word reading. All three at-risk groups exhibited significant difficulties with reading
comprehension with the multi-deficit group experiencing the most difficulty. The skill that most
clearly differentiated the groups however, was word-level reading fluency. The typically
developing group performed the best on this measure, and the poor decoders and multi-deficit at-
riskers performed the worst. Significant differences were also observed on the other variables
(word reading in context, vocabulary, text-level fluency, and inferencing), but to a lesser extent
than those observed on list-word reading accuracy, reading comprehension, and word-level
reading fluency.
It was hypothesized that all three at-risk groups would have difficulty with inferencing
dependent on their core deficits: poor decoders due to their lack of automaticity in their word
reading (automaticity is required to free up cognitive resources required for inferencing), poor
language comprehenders due to their problems with language, and multi-deficit at-riskers due to
compound problems in automaticity and language. Thus, to further explore possible reasons for
difficulty in this task, the types of inferencing strategies used by the ELL reading groups was
also examined in Study 1. On the whole, gap-filling inferences were the most difficult for the
ELL participants, followed by text-connecting inferences; literal inferences were the easiest for
the group. This pattern of difficulty was also observed when the reading groups were examined
separately. Further investigation revealed that as expected, the multi-deficit group had significant
difficulties with all three types of inferencing strategy. Contrary to expectations, the poor
language comprehenders did not perform more poorly than the typical developers on any of the
three types of inferencing despite their diminished language skills. This was likely due to a
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97
power issue, both in sample size and also number of items examined. Finally, the poor decoders
had no difficulty with literal inferences, but gap-filling and text-connecting inferences were
challenging for this group when compared with the typically developing group.
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Chapter 6: Study 2 – Longitudinal Predictors of At-risk ELL Readers
It is easier to prevent reading problems than it is to remediate them. Thus, the focus of
Study 2 was on identifying early (grade 2) cognitive, linguistic, and reading predictors of later at-
risk ELL reader status (grade 4). Early identification of children with reading disabilities is
important for at least two reasons. First, children who have a slow start in reading rarely catch up
(Torgesen, 1998). Their poor reading skills worsen over time, leaving them more and more
behind; a poor reader in grade 2 will likely continue to be a poor reader without appropriate
intervention. Waiting for a child who is ELL to gain proficiency in English before assessing for
reading problems—a common but fading practice—may have serious and extenuating
consequences. Second, and as noted earlier, although poor readers are similar to one another in
that they all show difficulties on complex outcome measures such as reading comprehension,
poor readers may display different profiles of poor reading depending on the source(s) of the
problem (Geva & Herbert, 2012; Geva & Massey-Garrison, 2013; Li & Kirby, 2014; Tong,
Deacon, Kirby, Cain, & Parrila, 2011). Further, because skilled reading is comprised of an
complex interaction between word reading, language proficiency, and higher-order
comprehension strategies, and that the nature of some of these skills change over time—for
example the construct of fluency (Geva & Farnia, 2012; Farnia & Geva, 2013)—a
developmental perspective through longitudinal research is critical to understanding early and
emerging comprehension problems.
Research Questions and Hypotheses for Study 2
The purpose of Study 2 was to identify what early skills assessed in grade 2 (naming
speed, phonological awareness, vocabulary, oral expression, word reading, fluency, and reading
comprehension) could predict profiles of ELL readers in grade 4, namely, typically developing
ELL readers (typical developers), and ELL readers at-risk for poor reading comprehension due to
THE LINGUISTIC AND READING SKILLS OF ELLS
99
their poor decoding (poor decoders), poor language comprehension (poor language
comprehenders), or impaired skill in both areas (multi-deficit at-riskers). Two research questions
were posed: (1) Do ELL reader groups classified in grade 4, differ on their earlier phonological
processing (i.e., phonological awareness and naming speed), oral language proficiency (i.e., oral
expression and vocabulary), and reading skills (i.e., word reading, word-level reading fluency,
and reading comprehension) in grade 2 after controlling for nonverbal cognitive ability (working
memory was not measured in grade 2)?, and (2) What grade 2 measures of phonological
processing, oral language proficiency, and reading skills best predict later at-risk ELL reading
group membership in grade 4?
Two broad hypotheses were made in response to these research questions. First, it was
important to consider the relationship between word reading and reading comprehension from a
developmental perspective. In young readers, automatic word recognition skills are the limiting
factor in reading comprehension. Young children with slow and effortful word reading skills will
have difficulties with reading comprehension unless they have received effective remediation.
Given that in grade 4, the poor decoders and multi-deficit at-riskers were characterized by
difficulties in decoding words, it was hypothesized that these two groups would show early
difficulties in word reading accuracy and fluency, as well as in the underlying processes
supporting these skills, namely phonological awareness and naming speed.
For the second hypothesis, a brief recap of poor comprehenders (also known as late-
emerging poor comprehenders) also is relevant. The language problems of these children are not
noted in the primary grades and their difficulties do not yet have an impact on their reading
comprehension due to the focus on decoding and word recognition. However, by the later
elementary grades when language skill is more central to the comprehension of text, their poor
language skills become apparent and their reading comprehension is challenged (Catts,
THE LINGUISTIC AND READING SKILLS OF ELLS
100
Compton, Tomblin, & Bridges, 2012; Etmanskie, Partanen, & Siegel, 2015; Geva & Farnia,
2015; Tong et al., 2011). It was hypothesized that the poor language comprehenders would show
an earlier profile of language difficulties (in compromised vocabulary and oral expression), even
though these problems might not be indicative (yet) of early reading comprehension problems.
Three analyses were conducted. First, a preliminary correlation analysis was conducted to
examine the relationships among the variables of interest. Second, a multivariate analysis of
covariance (MANCOVA) was conducted to explore the differences in the means on the predictor
variables of interest across the four ELL reader groups. This analysis was chosen for three
reasons: (1) MANCOVA allows for the inclusion of multiple dependent variables including a
covariate(s), (2) MANCOVA allows for evaluating the relationship between a set of dependent
variables and a factor (in this case, ELL reading group), and (3) MANCOVA allows for the
exploration of how the means of a set of dependent variables vary across levels of that factor
(Meyers, Gamst, & Guarino, 2013). In the MANCOVA analysis, ELL reader group was the
factor variable (typical developers, poor decoders, poor language comprehenders, and multi-
deficit at-riskers); naming speed, phonological awareness, receptive vocabulary, oral expression,
word reading in isolation, word-level reading fluency, and reading comprehension in grade 2
were the dependent variables. Nonverbal cognitive ability was added to the analysis as a
covariate to reduce potential error caused by cognitive ability on the relationship between ELL
reading group and the phonological processing, oral language proficiency and reading skill
variables of interest.
A multinomial logistic regression was conducted as a follow-up to the MANCOVA.
Multinomial logistic regression allows for the investigation of various linear combinations of the
independent variables that best predict group membership of more than two groups. The four
ELL reader groups—poor decoders, poor language comprehenders, multi-deficit at-riskers, and
THE LINGUISTIC AND READING SKILLS OF ELLS
101
typical developers—were the focus of the predicted group membership using the phonological
processing, oral language proficiency, and reading skills variables as predictor variables.
Multinomial logistic regression requires a reference category in analysis to act as a point of
comparison for the other groups. The typical developers group was used as this reference
category as participants in this group would be considered “normative” in an applied setting.
Eight grade 2 predictor variables were considered for use in the analysis: nonverbal cognitive
ability, naming speed, phonological awareness, receptive vocabulary, oral expression, word
reading, word-level reading fluency, and reading comprehension.
Relationships Among the Grade 2 Variables Used in Study 2
A correlational analysis was conducted to examine the relationships among the variables
under study in Study 2, which included grade 2 variables of interest as well as the grade 4
grouping variables. Results of this analysis are reported in Table 9. Several points from this
analysis are relevant to this discussion. Significant relationships were observed between
nonverbal cognitive ability, the grouping variables, and the dependent variables of interest except
phonological processing and naming speed, thus justifying the inclusion of nonverbal cognitive
ability as a covariate in analyses (due to its potential impact on the linguistic and reading
measures of interest). Decoding and language comprehension were significantly correlated with
each other (r = .32, p < .001) and with reading comprehension (r = .70, p < .001; r = .47, p <
.001, respectively), thus offering support for an SVR approach in the conceptualization and
classification of ELL readers. Decoding, language comprehension, and reading comprehension
were also significantly correlated with all cognitive, linguistic, word reading, and high-order
variables used in analyses. Reading comprehension showed the strongest relationship with word
reading in isolation (r = .83, p < .001), and with word-level reading fluency (r = .78, p < .001).
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Table 9.
Study 2 correlation matrix showing relationships among the grouping variables in grade 4 and variables of interest in grade 2
1 2 3 4 5 6 7 8 9 10
1 Decoding1 1 .32*** .32*** -.48*** .32*** .44*** .26** .80*** .78*** .70***
2 Language comprehension1 1 .25** -.21** .29** .47*** .49*** .38*** .40*** .47***
3 Nonverbal cognitive ability 1 -.13 .00 .44*** .26** .38*** .36*** .45***
4 Naming speed 1 -.11 .24** -.30** -.51*** -.60*** -.47***
5 Phonological awareness 1 .16 .19* .28* .29** .24*
6 Receptive vocabulary 1 .38*** .53*** .51*** .54***
7 Oral expression 1 .38*** .37*** .49***
8 Word reading in isolation 1 .90*** .83***
9 Word-level fluency 1 .78***
10 Reading comprehension 1
Notes. N = 127; *** p <.001, ** p < .01,* p <.05;
1 variable used for grouping of ELL readers in grade 4
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Do ELL reader groups classified in grade 4, differ on their phonological processing, oral
language, and reading skills in grade 2?
A MANCOVA was conducted to examine differences among the ELL reader groups in
grade 4 on the cognitive, linguistic, and reading variables of interest as assessed in grade 2, after
controlling for nonverbal cognitive ability. The MANCOVA was significant, Wilks’ Λ = .40,
F(21, 282) = 5.10, p < .001, and η2 = .27 indicating a large effect (Meyers, Gamst, & Guarino,
2013); there was at least one significant group difference on at least one dependent variable in
the analysis after controlling for nonverbal cognitive ability. Bonferroni-corrected ANOVAs
were conducted for each dependent variable to determine on what dependent variable(s) the
reader groups were different; statistically significant differences were observed on all seven
dependent variables in grade 2: naming speed, F(3,104) = 6.33, p <.001, η2 = .15; phonological
awareness, F(3,104) = 2.70, p <.05, η2 = .07; receptive vocabulary, F(3,104) = 7.24, p <.001, η2
= .17; oral expression, F(3,104) = 9.45, p <.001, η2 = .21; word reading, F(3,104) = 30.74, p
<.001, η2 = .47; word-level reading fluency, F(3,104) = 25.97, p <.001, η2 = .43; and reading
comprehension, F(3,104) = 22.59, p <.001, η2 = .39. Table 10 displays descriptive statistics and
results for significant post hoc pairwise comparisons for the four reader groups on these
variables.
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Table 10.
The effect of ELL reader group on the cognitive, linguistic, and reading variables of interest in grade 2: Descriptive statistics and post
hoc comparisons
1
Poor
Decoders
(n = 17)
2
Poor Language
Comprehenders
(n = 15)
3
Multi-deficit
At-riskers
(n = 20)
4
Typical
Developers
(n = 57 )
Measure M SD M SD M SD M SD F
Statistic
Effect
Size (η2)†
Post Hoc
Comparisons††
Naming speed (in seconds) 52.24 14.74 43.47 7.07 53.00 14.86 41.42 10.17 6.33*** .15 4 > 1 & 3
Phonological awareness (/40) 16.00 9.41 18.47 9.42 14.65 7.57 19.74 8.41 2.70* .05 ns
Receptive vocabulary (/228) 97.88 16.64 95.67 14.37 91.60 16.82 112.39 16.57 7.24*** .17 4 > 2 & 3
Oral expression (/96) 69.06 12.53 65.60 14.49 55.40 15.48 74.32 10.68 9.45*** .21 4 > 3
1 > 3
Word reading in isolation (/106) 39.06 12.28 55.73 10.22 40.05 9.37 61.46 8.80 30.75*** .47 4 > 1 & 3
2 > 1 & 3
Word-level fluency (words/45
seconds) 47.82 20.73 77.67 21.73 49.90 16.73 91.98 21.45 26.00*** .43
4 > 1 & 3
2 > 1 & 3
Reading comprehension (/43) 13.12 3.60 16.07 3.77 12.35 3.59 19.37 3.09 22.59*** .39 4 > 1 & 3
2 > 3
Notes. N = 109; SD = standard deviation, η2 = eta squared; *** p <.001, ** p < .01,* p <.05; ns = not statistically significant;
† .10, .24, and .40 indicate small, medium, and large effect sizes, respectively (Cohen, 1992);
†† significant Bonferroni-corrected pairwise comparisons
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Similar to Study 1 which focused on grade 4 performance, word reading in isolation,
word-level reading fluency, and reading comprehension in grade 2 showed the strongest
differences across reader groups defined on the basis of grade 4 (holding constant nonverbal
cognitive ability). These variables accounted uniquely for 47%, 43%, and 39% of respectively,
as indicated by partial eta-squared (η2). Post hoc pairwise comparisons on these measures
indicated that in grade 2, ELLs who were poor decoders and multi-deficit at-riskers were
experiencing significant difficulties with their word reading, word reading fluency, and reading
comprehension when compared with typical developers or with their peers who were poor
language comprehenders. Interestingly, poor language comprehenders were not yet showing
difficulties with their reading comprehension. That is, no significant difference was observed
between the poor language comprehenders and typical developers group in grade 2. Given that
by grade 4, these poor language comprehenders do demonstrate difficulties with their reading
comprehension, this finding offers support for a late-emerging poor comprehender profile, like
the one that has been noted with regard to L1 populations and recently alluded to among ELLs
(e.g. Geva & Farnia, 2015). Differences in oral expression, receptive vocabulary, and naming
speed in grade 2 were less robust across the ELL reader groups, accounting for 21%, 17%, and
15% of the variance (as indicated by partial η2), respectively. As with reading fluency, the grade
2 poor decoders and multi-deficit at-riskers were already showing difficulties in naming speed,
suggesting a more global issue with processing speed that impacts their reading performance
concurrently, and in the future. In grade 2, multi-deficit at-riskers showed the most pervasive
difficulties with language, performing significantly more poorly on their vocabulary and oral
expression when compared to typical developers. Otherwise, the only other early language
indicator of later at-risk status was observed in the poor language comprehenders; they
demonstrated significant difficulties in their early receptive vocabulary when compared to the
THE LINGUISTIC AND READING SKILLS OF ELLS
106
typical developers group. To note, although significant, reader group in grade 4 accounted for
only 7% of the variability in phonological awareness in grade 2, with no significant differences
across the ELL readers group in post hoc tests.
Several candidates emerged as preliminary indicators in grade 2 for later at-risk status
across the ELL reader groups. First, multi-deficit at-riskers exhibited a range of early difficulties
in naming speed, word reading in isolation, word-level reading fluency, vocabulary, oral
expression, and reading comprehension. Second, poor decoders also exhibited early difficulties
with naming speed, word reading in isolation, word-level reading fluency, and reading
comprehension but showed no difficulties with early vocabulary or oral expression skills.
Finally, poor language comprehenders had only one compromised skill indicative of their later
problems in reading (when compared to typical developers): vocabulary.
What grade 2 cognitive, language, and reading skills predict at-risk ELL reading group
status in grade 4?
Multinomial logistic regression was conducted to determine which grade 2 predictor
variables (i.e., nonverbal cognitive ability, phonological processing, oral language proficiency,
and reading skills) best characterized the ELL reader groups as classified in grade 4. Multinomial
logistic regression is highly sensitive to multicollinearity (Meyers, Gamst, & Guarino, 2013),
thus grade 2 word reading was removed from analysis in favour of keeping word-level reading
fluency due to the high correlation observed between these two variables (r = .90, p < .001) in
preliminary analyses (see Table 9). Word reading in isolation and word-level reading fluency—
both measured using lists of words that are not in context—are highly similar skills falling on the
same developmental trajectory. Word reading is the ability to read words accurately without
consideration for speed of reading, while word-level reading fluency is defined as the ability to
read words accurately and quickly. Since it is widely agreed in the literature that word accuracy
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precedes word fluency (see previous discussion about this in Chapter 1), it was decided to use
the variable which was likely to show more variability for analyses: word-level reading fluency.
Results of the multinomial logistic regression indicated that a 7-predictor model that
included nonverbal cognitive ability, naming speed, phonological awareness, receptive
vocabulary, oral expression, word-level reading fluency, and reading comprehension in grade 2,
provided a statistically significant prediction of ELL reader subtype classification, -2 Log
Likelihood = 166.23, χ2 (21, N = 109) = 98.18, p < .001. The Nagelkerke pseudo R2 indicated
that the model accounted for approximately 65.1% of the total variance. The prediction success
for the cases used in development of the model was moderately high (Meyers, Gamst, &
Guarino, 2013); using these 7, grade 2 measures was useful in the subsequent classification of
participants into the ELL reader subtypes (in grade 4) with an overall prediction success rate of
71.6%. Table 11 presents regression coefficients, Wald test results, adjusted odds ratio [Exp (B)],
and 95% confidence intervals (CI) for odds ratios for each predictor. The typical developers
group was used as the reference category and was contrasted with poor decoders, poor language
comprehenders, and multi-deficit at-riskers.
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Table 11. The prediction of at-risk reader group in grade 4 using grade 2 variables: Multinomial logistic regression summary
Model B (SE) Wald df Exp (B) 95% CI
Poor decoders:
Intercept 10.38 (4.37) 5.65 1
Nonverbal cognitive ability .02 (.05) .15 1 1.02 .92 – 1.13
Naming speed -.03 (.04) .47 1 .98 .91 – 1.05
Phonological awareness -.01 (.05) .05 1 .99 .89 – 1.10
Receptive vocabulary -.02 (.03) .35 1 .98 .93 – 1.04
Oral expression .01 (.04) .05 1 1.01 .93 – 1.09
Word-level reading fluency -.09 (.03) 8.25** 1 .91 .86 – .97
Reading comprehension -.23 (.16) 2.06 1 .80 .59 – 1.09
Poor language comprehenders:
Intercept 11.80 (4.21) 7.84 1
Nonverbal cognitive ability .04 (.04) 1.34 1 1.04 .97 – 1.12
Naming speed -.04 (.04) .88 1 .96 .89 – 1.04
Phonological awareness -.01 (.04) .13 1 .99 .91 – 1.07
Receptive vocabulary -.05 (.03) 4.55* 1 .95 .90 – 1.00
Oral expression -.04 (.03 2.32 1 .96 .91 – 1.01
Word-level reading fluency -.002 (.02) .005 1 1.00 .95 – 1.05
Reading comprehension -.24 (.14) 2.83 1 .79 .60 – 1.04
Multi-deficit at-riskers:
Intercept 15.35 (4.27) 12.93 1
Nonverbal cognitive ability -.04 (05) .55 1 .96 .87 – 1.06
Naming speed -.02(.03) .27 1 .98 .92 – 1.05
Phonological awareness -.04 (.05) .56 1 .96 .87 – 1.06
Receptive vocabulary -.01 (.03) .10 1 .99 .94 – 1.05
Oral expression -.07 (.03) 5.51* 1 .93 .88 – .99
Word-level reading fluency -.06 (.03) 3.92* 1 .94 .89 – 1.00
Reading comprehension -.25 (.17) 2.27 1 .78 .56 – 1.08
Notes. The dependent variable was reader group and Typical Developers was the reference category; N = 109; B = B coefficient, SE =
standard error, df = degrees of freedom, CI = confidence interval; Multinomial Nagelkerke R2 = .65; *** p <.001, ** p < .01,* p <.05
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From the set of grade 2 measures, the multinomial logistic regression identified four
significant variables that uniquely predicted the probability of at-risk status in grade 4, when
each of the groups was compared to typical developers: (1) word-level reading fluency (Wald χ2
= 8.25; p < .001) was the best predictor of subsequent poor decoder status in grade 4, (2)
receptive vocabulary (Wald χ2 = 4.55; p < .001) was the best predictor of subsequent poor
language comprehender status in grade 4, and (3) word-level reading fluency (Wald χ2 = 3.92; p
< .001) and oral expression (Wald χ2 = 5.51; p < .001) were the best predictors of subsequent
multi-deficit at-risk status in grade 4. Although poor decoders differed significantly from typical
developers in grade 2 on naming speed, word reading, word-level reading fluency, and reading
comprehension, the best early predictor of later difficulty in decoding in grade 4 was word-level
reading fluency. As word-level reading fluency scores decreased in grade 2, participants were
less likely (Exp (B) = 0.91¶; CI = .86, .97) to be a typical developer and more likely to be a poor
decoder in grade 4 after controlling for the other cognitive, language, and reading variables under
study. Receptive vocabulary was the best predictor of later difficulty in language comprehension.
As receptive vocabulary scores decreased in grade 2, children in this group were less likely (Exp
(B) = 0.95; CI = .90, 1.00) to be classified as a typical developer and more likely to be classified
as a poor language comprehender in grade 4 after controlling for the other cognitive, language,
and reading variables under study. Finally, of the earlier difficulties experienced by the multi-
deficit at-riskers in almost all reading-related skills areas when compared to typical readers
(namely, naming speed, receptive vocabulary, oral expression, word-level reading fluency, and
reading comprehension), oral expression and word-level reading fluency were the best predictors
of their later decoding and language comprehension deficits in grade 4. As scores in oral
¶ An odds ratio (i.e., Exp(B)) of 1 means equally likely, so an Exp(B) of less than 1 indicates less
likely and an Exp(B) of greater than 1 indicates more likely.
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expression and word-level reading fluency decreased, children in this group were less likely
(Exp (B) = 0.93, CI = .88, .99; and Exp (B) = 0.94, CI = .89, 1.00 respectively) to be classified as
a typical reader and more likely to be classified a multi-deficit at-risker after controlling for the
other variables under study.
Summary of Study 2
The overarching goal of Study 2 was to identify longitudinal predictors of later at-risk
ELL reader status. Two research questions were posed: (1) Do ELL reader groups as classified in
grade 4, differ phonological processing, oral language, and reading skills in grade 2?, and (2)
What grade 2 measures of phonological processing, oral language proficiency, and reading skills
best predict at-risk ELL reading group status in grade 4? Two general hypothesis were made
with regard to these questions: (1) that poor decoders and multi-deficit at-riskers would show
early difficulties in word reading accuracy and fluency, as well as in the underlying processes
supporting those skills, namely, naming speed and phonological awareness, and (2) that poor
language comprehenders would show an earlier profile of language difficulties through
diminished vocabulary knowledge and skill in oral expression. The extent to which these
difficulties would impact their early reading comprehension problems was not clear, but it was
expected that if they followed the “late-emerging poor comprehender” profile addressed in the
literature (e.g., Catts, Compton, Tomblin, & Bridges, 2012; Etmanskie, Partanen, & Siegel,
2015; Geva & Farnia, 2015; Tong et al., 2011), their reading comprehension difficulties might
not yet be evident by grade 2.
These research questions and hypotheses were addressed using a trifecta of analyses.
First, to explore relationships among the variables in Study 2, correlational analyses were
conducted using the grouping variables in grade 4 and variables of interest in grade 2. Second, a
MANCOVA was used to examine differences across the four ELL reading groups (as classified
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in grade 4) on their earlier phonological processing, oral language proficiency, and reading skills
in grade 2. Third, as follow-up to the MANCOVA, multinomial logistic regression analyses were
performed to identify which grade 2 skills best predicted grade 4 at-risk reading group status.
With regard to the correlation analyses, significant relationships were observed among all
the variables under study in Study 2 except among the variables of phonological awareness,
nonverbal cognitive ability, and naming speed, which showed nonsignificant correlations.
Otherwise, the grouping measures in grade 4 (decoding and language comprehension) showed
significant correlations with all measures oral language proficiency and reading skill. In
particular, the grouping measures demonstrated significant relationships with each other, and
reading comprehension in grade 2. In support of its use as a covariate, nonverbal cognitive
ability showed significant relationships with all linguistic and reading measures.
Significant results from the MANCOVA indicated that the ELL reading groups in grade
4 could be distinguished from each other using grade 2 predictor skills. Multiple ANOVAs
showed that the reader groups in grade 4 were already significantly different from each other on
all earlier phonological processing, oral language proficiency, and reading skills measured in
grade 2. As in Study 1, the grade 2 skills that most clearly distinguished the grade 4 ELL reading
groups were word reading accuracy and fluency, and reading comprehension. Poor decoders and
multi-deficit at-riskers demonstrated significant difficulties in these skills when compared with
the typical developers. That said, no significant differences were observed in poor language
comprehenders on these skills when comparing with the typically developing group, even on
reading comprehension, suggestive of a late-emerging poor comprehender profile. In fact, the
only grade 2 skill that differentiated poor language comprehenders from typical developers was
performance on the vocabulary knowledge measure. Otherwise, the multi-deficit at-risker group
also showed significant difficulties in their naming speed and both measures of oral language
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proficiency: oral expression and vocabulary. Poor decoders also had difficulty with naming
speed, but performed on par with the typical developers in their oral language proficiency.
Finally, the 7-predictor multinomial logistic regression model was significant, and
indicated that reading subtypes identified in grade 4 could be predicted using the grade 2
variables with 72% success (considered moderately high; Meyers, Gamst, & Guarino, 2013).
Results of the model revealed the following longitudinal predictors of later at-risk group status
when compared with the typical developers: (1) grade 2 word-level reading fluency uniquely
predicted poor decoder group membership in grade 4, (2) grade 2 vocabulary uniquely predicted
poor language comprehender group membership in grade 4, and (3) grade 2 word-level reading
fluency along with oral expression uniquely predicted multi-deficit at-risk group membership in
grade. In sum, different combinations of early reading and linguistic skill were observed across
the at-risk ELL reading subtypes in grade 4, and as a consequence, distinct skills were predictive
of their subsequent and specific at-risk status for poor reading comprehension.
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Chapter 7: General Discussion
Study 1 compared the concurrent linguistic and reading comprehension skill profiles of
the at-risk ELL reader subtypes in grade 4. Study 2 identified longitudinal predictors (in grade 2)
of later at-risk ELL reader status in grade 4. At-risk reading status was defined by difficulties in
decoding, or poor language comprehension, or both using typically developing ELLs as a point
of reference. The goal of Chapter 7 is to present a general discussion stemming from these
results. Two areas of special focus—fluency and inferencing—are also discussed in light of
findings. The chapter closes by presenting future directions for research, and implications for
theory and practice.
Profiles and Predictors of ELLs At-risk for Poor Reading Comprehension
In line with previous research involving ELLs (Geva & Herbert, 2012; Geva & Massey-
Garrison, 2013), distinct profiles were observed across the three at-risk reader groups at both
time points, in grade 4, and retrospectively in grade 2. Findings also indicated that at-risk status
for poor decoding and/or poor language could be predicted as early as grade 2. These skill
profiles are presented in Tables 12 and 13, respectively. Table 12 presents the grade 4 reading
and linguistic profiles for the ELL reader subtypes using the typically developing ELL reader
subtype as a point of comparison. Table 13 presents the grade 2 cognitive, linguistic, and reading
profiles of those same at-risk ELL readers two years earlier, also using the typically developing
ELL reader subtype as comparison.
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Table 12. Grade 4 linguistic and reading profiles of ELL readers at-risk for poor reading
comprehension
Skills Poor Decoders
Poor Language
Comprehenders
Multi-deficit
At-riskers
Decoding y y
Language comprehension y y
Word reading in isolation
Word reading in context
y
y
y
y
Word-level fluency y y y
Text-level fluency no significant differences
Vocabulary y
Inferencing strategy y y
Reading comprehension y y y
Note. y = significant difficulty when compared to the typically developing reader subtype
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Table 13. Grade 2 cognitive, linguistic, and reading profiles of ELL readers who by grade 4 are
at-risk for poor reading comprehension
Skills Poor Decoders
Poor Language
Comprehenders
Multi-deficit
At-riskers
Naming speed y y
Phonological awareness no significant differences
Receptive vocabulary y* y
Oral expression y*
Word reading in isolation y y
Word-level fluency y* y*
Reading comprehension y y
Note. y = significant difficulty observed when compared to the typically developing reader
subtype;* skills predictive of later at-risk status in grade 4
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Poor decoder profile. Similar to findings from other research with ELL poor decoders
(e.g., Chung & Ho, 2009; Chung, Lo, Ho, Xiao, & Chan, 2014; Geva & Herbert, 2012;
Verhoeven, Reitsma, & Siegel, 2011), the poor decoders in this research experienced, as
expected, difficulties with word reading accuracy and fluency. They also had problems with
inferencing and reading comprehension. Because of core deficits related to their poor decoding,
their focus during reading was likely on the application of phonological and orthographic
strategies needed to decode and read at the word level (Coltheart, Rastle, Perry, Langdon, &
Ziegler, 2001). As a result, they were unable to progress to automaticity in their word reading
(i.e., fluency). Even though they had reasonable language skills necessary to support inferencing
and reading comprehension, the poor decoders may not have had the cognitive resources
available for this higher-level processing because decoding was difficult for them (Cain &
Oakhill, 1999; Geva & Yaghoub-Zadeh, 2006; Prior, Goldina, Shany, Geva, & Katzir, 2014).
A similar set of skill difficulties was observed for this ELL reading group earlier in grade
2. Poor decoders in grade 2 showed difficulties with word reading accuracy and fluency, as well
naming speed, and ultimately, with reading comprehension. Of the variables under study, word-
level reading fluency in grade 2 was the best predictor of later poor decoder at-risk status in
grade 4. Interestingly, and contrary to the double-deficit hypothesis which states that poor
decoders can have core deficits in PA, naming speed, or both (Wolf and Bowers, 1999), the poor
decoders had difficulties with only their naming speed when compared with typically developing
ELLs. PA was not a significant and defining feature that distinguished the ELL reading groups.
That said, it is possible that difficulties in PA were captured in the word reading measures which
encompass a number of cognitive skills, such as PA and naming speed; PA and naming speed are
critical precursors of word reading, while naming speed contributes at both the word- and text-
levels (see previous discussion about this is Chapter 1). The naming speed deficits exhibited by
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the poor decoders were likely the cause of their poor decoding and relatedly, poor word reading
fluency and reading comprehension (Geva & Yaghoub-Zadeh, 2006; Katzir et al., 2008;
McBride-Chang et al., 2012).
Poor language comprehender profile. Children with poor language comprehension
exhibited a different and narrower set of difficulties related to their compromised language
development when compared to the other at-risk subtypes. Some prior research has observed a
varying scope of linguistic deficits in ELL poor comprehenders, in addition to their defining poor
reading comprehension despite good word reading skills. For example, both breadth and depth in
vocabulary in grade 8 distinguished the poor comprehenders from average and good
comprehenders in Li and Kirby’s 2014 study. The grade 5 poor comprehenders in Geva and
Massey-Garrison (2013) had difficulties with listening comprehension and inferencing in
addition to their defining poor reading comprehension but good word reading skills. A slightly
different profile of difficulties emerged however in the current research. In addition to poor
language comprehension in grade 4, children with this profile also had difficulties in word-level
reading fluency and reading comprehension. Interestingly, they did not have difficulty with
vocabulary when compared with the typically developing ELL group like observed in Li and
Kirby (2014), nor did they have difficulty with inferencing as observed in Geva and Massey-
Garrison (2013). These contradictory findings may be related to methodological factors such as
age differences of the children. Both the Li and Kirby (2015) and Geva and Massey-Garrison
(2013) explored skill profiles in older learners, grades 8 and 5, respectively, than the ones
investigated in this dissertation research. It might also be that the poor language comprehenders
in this study were focused on reading fluency and on the syntactic qualities of what they were
reading (Geva & Farnia, 2012), two areas where they were already experiencing significant
difficulties.
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In grade 2, the only difficulty demonstrated by ELLs with poor language comprehension,
was lack of breadth in their receptive vocabulary, and not poor oral language or poor reading
comprehension (see Table 13). Relatedly, vocabulary knowledge was identified as being the best
predictor of their later at-risk status in grade 4. In line with prior research related to late-
emerging poor comprehenders (Catts, Compton, Tomblin, & Bridges, 2012; Etmanskie,
Partanen, & Siegel, 2015; Tong et al., 2011), their later poor fluency and reading comprehension
(as identified in Study 1 and represented in Table 12) had not yet begun to express itself. This is
an important finding as it speaks to some of the issues surrounding late-emerging poor
comprehenders. Indeed, there does appear to be a group of late-emerging ELL poor
comprehenders whose reading comprehension is on par with typically developing ELL children
in the early grades but whose poor comprehension difficulties become evident at a later time. In
addition, it is possible to identify early on, ELLs who will present 2 years later with a profile of
language problems by potentially tracking their vocabulary development in relation to their ELL
peers.
Children with a combined poor decoding and poor language comprehension profile.
A pervasive set of difficulties were observed in grade 4 and earlier in grade 2 for the multi-
deficit at-riskers, defined by their difficulties in decoding and language comprehension. This at-
risk reader subtype experienced problems with all language and reading skills measured in grade
4, including word reading accuracy and fluency, vocabulary, inferencing, and reading
comprehension. The only skill in grade 4 for which difficulty was not observed was text-level
reading fluency. Text-level reading fluency was not related to at-risk status for any of the groups;
the groups did not perform significantly differently to each other on this task. It is likely that this
skill, which is highly reliant on oral language proficiency (and automatized word reading), was
not yet developed in these ELL learners who are also developing their language skill. The multi-
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deficit at-riskers also experienced problems with most of the cognitive, language, and reading
skills measured in grade 2 (with the exception of phonological awareness). This profile can be
characterized as experiencing a multi-faceted array of skill difficulties in language and early
reading skills that emerged early, and continued to have an impact on their reading
comprehension in grade 2 and 2 years later when they reached grade 4. In support of an
expanded SVR framework for poor reader identification, which includes fluency as a distinct
contributor, the strongest predictors of later at-risk status for this group of readers were oral
expression and word-level reading fluency in grade 2.
As noted earlier, one ongoing issue of discussion in the literature is the extent to which
dyslexia and language impairment comprise a similar set of underlying deficits in phonological
processing but with different expressions (Bishop & Snowling, 2004; Cain, 2013). Some
researchers maintain that these are two disorders on the same continuum with language
impairment being some more extreme form of dyslexia (Catts, 1991; Kamhi & Catts, 1986).
Findings from the current research do not support this argument. The poor decoders and multi-
deficit at-riskers (akin to children with dyslexia and language impairment, respectively) did not
differ from each other on any measures of word reading (decoding, real word reading, or
fluency) nor on the supporting processing skills that underlie word reading, such as naming
speed and phonological awareness. And even though the multi-deficit at-riskers experienced
difficulties with language at both time points when compared to the poor decoders (who did not
experience language difficulties), this difficulty with language did not translate into more
extreme difficulties in their reading comprehension (for which the two groups performed
similarly to each other). It is likely that the compounded deficits exhibited by the multi-deficit at-
riskers would eventually impact their reading comprehension as they progress through the
elementary grades, but it appears that in grade 4 at least, the two groups (namely, poor decoders
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and multi-deficit at-riskers) were experiencing a distinct set of deficits with the compounded
deficit experienced by the multi-deficit at-riskers not worsening matters.
Fluency as an Index of Poor Reading in ELLs
A key focus of the current research was the role of fluency in reading comprehension for
ELL readers at-risk for poor reading comprehension. Word reading fluency is important for
reading because fluent readers read with a level of automaticity and effortlessness that allows for
their attention and cognitive resources to be directed toward the higher-level skills needed for
comprehension (Perfetti, 1985; 2007; Perfetti & Hart, 2002). Fluency was an important predictor
of poor reading comprehension currently and longitudinally in the current research. In grade 4,
word-level fluency was a significant predictor of at-risk status for all three at-risk groups. Given
that accuracy precedes fluency, it was hypothesized that children with poor decoding skills (i.e.,
the poor decoders and multi-deficit at-riskers) would also have difficulty with the quick and
accurate reading of lists of words. This was the case for poor decoders and children with
combined poor decoding and language difficulties, currently and longitudinally. Their inability
to decode efficiently emerged early in grade 2 and continued to be evident in grade 4, leaving
them unable to achieve automaticity in word reading to a level of fluency that would facilitate
their reading comprehension (Perfetti, 2007).
Contrary to expectations, poor language comprehenders (who had no difficulties in their
word recognition skills), also had difficulty with word reading fluency in grade 4. This finding
suggests that either there is also some language component involved in moving from accuracy to
fluency beyond automatic word reading skills as implicated by the lexical quality hypothesis
(Perfetti, 2007), and/or that the poor language comprehenders in addition to their language
impairment, also had some subtle deficit in speed of processing and lexical retrieval, that
impacted their reading fluency and consequently, their reading comprehension. This latter
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hypothesis does align with some researchers who argue that dyslexia and language impairment
are not distinct disorders but rather, are linked by some common underlying deficit(s). In the
current research however, poor language comprehenders did not demonstrate earlier difficulties
with naming speed or word-reading fluency, so this conclusion is not supported by the present
research. It may be that the poor language comprehenders were experiencing a problem with
their allocation of resources akin to that experienced by the poor decoders in their fluency.
Because they were narrowly focusing their attention on processing the meaning of the text they
were reading, they were not directing enough attention to efficient reading of words. When
interpreted through Perfetti’s lexical quality hypothesis (2007), it may be that the quality of
lexical representations held by poor language comprehenders, which Perfetti (2007) argues
facilitates fluency, is the issue. A reader having a large lexicon (breadth) with many high-quality
representations (depth) can read text with less effort and make fast word-to-text integrations
(Perfetti, 2007; Perfetti & Hart; 2002; Segers & Verhoeven, 2016). The current study examined
only breadth of general vocabulary through the popularly used Peabody Picture Vocabulary Test.
Poor language comprehenders in grade 4 demonstrated a breadth of vocabulary similar to that of
typical developers, as well as comparable word reading accuracy, and despite this, they still
exhibited difficulties with their word reading fluency. More research, including a thorough
examination of breadth and depth of vocabulary and of various syntactic and morphological
skills might help to test these hypotheses. Nonetheless, considered jointly, these findings suggest
that dysfluent reading may be an important early indicator of ELLs at-risk for poor reading
comprehension whose ELL status may be masking the emergence of their poor language
comprehension.
Interestingly, text-level reading fluency did not emerge as predictive of ELL reader
profile. Geva and Farnia (2012) observed in their work with ELL readers in grades 2 and 5 that
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in grade 2, word- and text-levels of fluency were one construct but with development by grade 5
had bifurcated into two distinct constructs with the latter being more closely linked to language
proficiency. It is likely that the current sample had not yet attained a level of oral language
proficiency that could advance their text-level fluency and point to differences across groups.
Further research with older ELL children would be helpful in establishing at what age in ELLs,
word- and text-level reading fluency in ELLs begins to make independent contributions to
reading comprehension.
The Role of Inferencing in Reading Comprehension
The role of inferencing in reading comprehension for at-risk ELL readers was another
area of focus in this research. Results indicated that inferencing was significantly correlated with
all cognitive, linguistic, and reading measures under study, thus demonstrating its ubiquitous
presence in higher-order processing that is important for reading comprehension (Cain, Oakhill,
& Bryant, 2004; Hannon & Daneman, 2001; Kauda & Guthrie, 2008; Pressley, 2000). The
strongest correlations were observed between inferencing and decoding (the grouping variable),
word reading accuracy and fluency, and reading comprehension. It was initially hypothesized
that all three at-risk ELL reader groups would struggle with inferencing when compared with
typically developing ELLs. As expected, results showed that ELLs with poor decoding or poor
decoding paired with poor language, had difficulties with inferencing when compared with
typically developing ELL readers. These poor decoders and multi-deficit at-riskers were likely
using all of their cognitive resources on lower-level reading skills (also evidenced in their poor
word-level fluency), leaving few resources available for the higher-order processing required by
inferencing (Prior, Goldina, Shany, Geva, & Katzir, 2014). Relatedly, it was predicted that
inferencing difficulty would be more pronounced in the multi-deficit at-risk ELL group for
whom decoding and language were problematic; this was not the case. Their added difficulties
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with language did not appear to exacerbate their poor inferencing skills or poor reading
comprehension. Nonetheless, these findings support the hypothesis that reading fluency is a
necessary requirement for higher-order processing skills; automaticity in lower-level skills free
up cognitive resources that can then be used for higher-order skills.
With regard to poor language comprehenders, it was additionally hypothesized that they
would have difficulties with inferencing skill when compared with typically developing ELLs
due to their diminished language comprehension. Contrary to expectations, no differences in
inferencing strategy were observed between the poor language comprehenders and the typical
developers. The ELL children with poor language comprehension performed similarly to the
typically developing ELL children on this task and difficulties in their language did not seem to
impact inferencing skill. This lack of observable differences across subtypes related to language
(i.e., the poor decoders were not different from the multi-deficit at-riskers in their inferencing,
nor the poor language comprehenders to typical developers) as with text-level reading fluency,
might be due to the ELL sample on the whole not yet having developed a level of language
proficiency that would distinguish them on this skill. A comparison with monolingual norms on
the language comprehension grouping measure, however, does not support this explanation. Poor
language comprehenders and multi-deficit at-riskers performed significantly below monolingual
norms on language comprehension measures, whereas the poor decoders and typical developers
did not; they performed on par with monolingual norms (see the previous discussion in Chapter 4
about standardized scores). Language comprehension is a broad construct that involves a wide
range of linguistic skills including vocabulary, morphology, syntax, semantics, and pragmatics.
A more extensive examination of language proficiency would best address questions related to
the overall language proficiency of this ELL sample.
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Inferencing was measured using a task that focused on two types of inference-making:
(1) text-connecting inferences, where the reader was required to make connections and integrate
information presented within the text; and (2) gap-filling inferences, where the reader was
required to make connections with background knowledge (Cain & Oakhill, 1999). A third type
of “literal” inference was also included in this task. On the whole, the ELL sample had the most
difficulty answering questions that required making connections with their prior knowledge (i.e.,
gap-filling inferences); only 10% of the sample was able to successfully answer these types of
questions. Questions requiring text-connecting inferences were much easier for the ELL readers
with a 62% success rate by the sample as whole. Questions requiring literal inferencing were, as
expected, the easiest for the ELL readers as a group. These findings draw attention to the prior
experiences that children bring to reading and highlight the importance of the need for sufficient
and comprehensive background knowledge for reading that might be different and/or
underdeveloped for varying types of immigrant and Canadian-born ELLs depending on their
prior educational and life experiences. It also points to how the ability to draw inferences is
assessed and the consideration of cultural inclusivity. Some ELL children may have good
inferencing skills that are masked by a lack of background knowledge required for answering
some gap-filling inference questions.
Item-analyses were conducted to examine how inferencing strategy use differed across
the ELL reader profiles (Canet-Juric, Andrés, Urquijo, & Burin, 2011). When the at-risk ELL
reader groups were compared with typically developing ELLs, a more refined pattern of
difficulty was observed. Children with compounded difficulties in decoding and language had
significant difficulties with all three types of inferences. Their poor word reading skills combined
with impaired language comprehension left them unable to use inferencing strategies to increase
meaning when reading. Conversely, children with poor decoding were able to answer questions
THE LINGUISTIC AND READING SKILLS OF ELLS
125
involving simpler literal inferences, but had significant difficulties with gap-filling and text-
connecting inference-making. Similar to their performance on the task as a whole, ELL children
with poor language comprehension did not perform significantly differently to typically
developing ELLs on any of the subtypes of inferencing. Given this finding and that the same
pattern of difficulty in inferencing type was also observed in these two groups (i.e., gap-filling
was most difficult type followed by text-connecting), it is possible that it was their status as
English language learners that influenced their performance on this task and not their reading
profile. This finding is especially interesting given that the poor language comprehenders had
difficulties with fluency and reading comprehension when compared to the typically developing
ELLs. It highlights the difficulty in teasing apart typically developing language comprehension
from language impairment for ELL children. As discussed earlier, it was likely that their focus
on word reading dominated their cognitive resources leaving them little attention for the higher-
order processing required for the more difficult inference strategies like text-connecting and gap-
filling. Further research would be needed with larger groups and a more difficult task to establish
what aspects of inferencing, if any, distinguish ELL children with poor language comprehension
from those who are typically developing.
Findings from this research about inferencing skill in ELL children with poor language
do not align neatly with findings from other research in the area of reading comprehension in
ELLs. Li and Kirby (2014) found that inferencing distinguished good comprehenders from
average and poor comprehenders; Geva and Massey-Garrision (2013) also found that poor
comprehenders had difficulties with inferencing while listening (using a task that required no
reading), and syntactic aspects of language (i.e., grammar). On the other hand and similar to the
findings of the current work, Bowyer-Crane and Snowling (2005) found that poor
comprehenders (who were English monolinguals) could make cohesive types of inferences
THE LINGUISTIC AND READING SKILLS OF ELLS
126
required during the reading of text (i.e., text-connecting inferencing), but not the more effortful
type of inferences required to make elaborations about meaning (i.e., gap-filling inferences). It
could be that the language measure used to identify children experiencing language problems
was effective in capturing the more severe difficulties of the multi-deficit at-riskers, but less
effective in identifying children with solely poor language comprehension. A battery of measures
which reflect the various subcomponents of oral language (e.g., syntax, semantics, pragmatics)
would likely yield a purer poor language comprehension group. This language-battery approach
might also help to better understand the high comorbidity that is observed between children who
are poor decoders and children with specific language impairment who are perceived to “share a
continuity of risk for decoding deficits in reading that can be traced to phonological problems”
(Snowling & Hayiou-Thomas, 2006, p. 110), and children with a wider range of language
problems that impact their reading comprehension.
Limitations and Future Directions for Research
A major limitation in the current research was sample size. The small sample size
impacted the methodology used to address the research questions in two important ways. First,
children from the Chinese, Portuguese, and Spanish home language backgrounds were
amalgamated into one sample to increase the power in analyses. Although not the focus of the
current research, this meant that language-specific and language-general processes could not be
accounted for or explored directly, in analyses. It would be interesting to explore the role that
language typology plays in poor reader classification and reading comprehensions outcomes in
ELL readers from different home language backgrounds.
Second, the small sample size also restricted the types of analyses that could be
conducted to address the research questions under investigation. It was decided that the
classification of participants into reading groups using theory and practice driven cut-off scores
THE LINGUISTIC AND READING SKILLS OF ELLS
127
was the best approach for the current data set. Several issues arise in the literature related to the
use of groups and cut-off scores from a statistical standpoint (Branum-Martin et al., 2013). The
first is the variability that is lost in converting continuous, dimensional variables into nominal,
categorical variables, and the questionable impact on results. The second issue is in imposing
cut-offs for group classification when there are statistical approaches that allow for data-driven
groups to emerge from the data (e.g., cluster analysis). The inherent overlap amongst groups and
its impact on correlational-based analysis is also of issue. Future research with larger data sets
would be helpful in validating whether the risk involved in group classification using cut-off
scores meaningfully impacts results. Comparisons of the results from different approaches for
participant classifications and/or the use of analyses where the continuous and dimensional
nature of the skills under study are observed (e.g., regression procedures) would be an insightful
avenue for further research with potentially important implications for both theory and practice.
Implications for Theory and Practice
A specialized view of reading for special populations. Findings from this research
extend support for the need of a more nuanced view of reading for specialized populations, in
particular ELLs who are experiencing problems with their reading (e.g., Geva & Farnia, 2012;
Kirby & Savage, 2008; Pasquarella, Gottardo, & Grant, 2012; Yaghoub-Zadeh, Farnia, & Geva,
2012). Although the SVR is useful in framing reading development and conceptualizing reading
difficulties in ELL children (Bishop & Snowling, 2004; Gough & Tunmer, 1986), at-risk ELLs
can experience a complex (and distinctive) set of core deficits that may not accurately be
accounted for through a simple view perspective. The simple view of reading may be too simple
for certain readers. Some researchers have proposed that cognitive processes (i.e., naming speed
or working memory) should be accounted for in an applied model of reading, either directly or
through an explicit deconstructed understanding of the decoding component of reading
THE LINGUISTIC AND READING SKILLS OF ELLS
128
comprehension (e.g., Cain, Oakhill, and Bryant, 2004; Johnston & Kirby, 2006; Kirby & Savage,
2008). The current research corroborates this recommendation, supporting the accounting for
speed through the inclusion of fluency. Naming speed at sublexical level and efficiency at the
word-level (i.e., the fluent reading of lists of words) were important predictors of reading
comprehension and at-risk status.
A refinement of the language component of the SVR also appears necessary. ELL
children with poor language comprehension may be a subgroup of at-risk readers that is
particularly difficult to identify. Findings from this dissertation suggest that in the early years of
schooling, the sole early indicator of their future reading problems were subtle differences in oral
language when compared to typically developing ELLs, specifically vocabulary. Study 2 pointed
to no other indicators of poor language in grade 2. Word-level reading fluency, oral expression,
and reading comprehension were even on par with the typical developers. But in as little as two
years later in grade 4, these readers were experiencing significant problems with language,
reading comprehension, and word-level fluency though their vocabulary knowledge appeared to
have caught up, or at least leveled out with the typically developing ELLs. This paints a complex
and dynamic profile that might be difficult for clinicians to diagnose, and educators to effectively
manage in instructional settings. The current research included a narrow set of language
measures. It is likely that children with poor language development present with a range
language issues beyond the vocabulary and oral expression tasks used in the Studies 1 and 2. A
reading model which allows for a deconstructed language component could help elucidate the
specific subcomponents of language (e.g., subtypes of vocabulary, cohesive strategies like
inferencing) that poor language comprehenders may exhibit, which in turn could lead to
enhanced research in the area, and better instructional outcomes. Targeted research with this
focus is needed.
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129
Differentiated instruction for subtypes of at-risk ELL readers. In general, reading
research endorses the need for explicit instruction in vocabulary and text comprehension
strategies for all readers (Baker, Gersten, Dimino, & Griffiths, 2004; National Reading Panel,
2000). Good instruction in these areas is likely to attend to the needs of typically developing
ELL readers and some ELL children experiencing difficulties with their reading development.
More than likely, however, that will not be enough to help at-risk ELL readers like those
highlighted in the current research. Findings from the present studies support the need for
differentiated instruction for subtypes of ELL readers that is reflective of their specific and
potential deficits. For poor decoders, a focus on strategies for increasing automaticity is
recommended. Fluency develops over time, through substantial practice. Thus an intensity in
opportunities for poor decoders to practice “breaking the code” and to learn sight word
vocabulary with an initial focus on accuracy, and then on speed is warranted: slow is smooth and
smooth is fast. This same remediation strategy would also recommended for children falling into
a “multi-deficit at-risker” profile because of their poor decoding, but additional remediation
strategies which attend to their language difficulties would also be required. Targeted strategies
for developing specific types vocabulary are recommended (Baker et al., 2014). Strategies
should include specific instruction in breadth and depth of conceptual knowledge. A focus on
academic terminology and words that help in text cohesion, like connectives, would also be
useful; cohesive instructional strategies work hand-in-hand with inferencing instructional
strategies. Structured oral language development that includes the explicit integration of
language with literacy activities is also needed (Baker et al., 2014). The practice of inferencing
orally (without reading materials) using oral inferential questioning techniques (Geva &
Ramirez, 2015), followed by discussions and practice using texts is a good example of this
language to literacy instructional integration. The aforementioned language remediation
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130
strategies for multi-deficit at-risk children would also be useful for poor language
comprehenders. Study 2 showed that early difficulties with vocabulary (when compared with
typically developing ELLs) indicated later difficulties in language comprehension, and
consequently, reading comprehension. Early explicit vocabulary would be critical for this group
of learners.
In applied settings it may be difficult for educators to distinguish between ELLs who are
typically developing, and those who are struggling due to impairments in language. Thus, a
Response to Intervention (RTI) approach is a recommended for ELL reading instruction. This
tiered approach is a model for on-going assessment, monitoring, and preventative intervention
for students. Through this model, students are provided with high-quality systematic and
sequential intervention as soon as a need is evident, and without the need of a formal asessment.
In tier 1, “effective, evidence-based instruction is given to all students, with on-going assessment
and progress monitoring by teachers to note any students who are experiencing difficulty”
(Adelson, Geva, & Fraser, 2014, p. 9). Subsequent tiers offer more focused and tailored
intstruction and how students respond to intervention provided in each tier guides future
decisions about the need to provide more or less support, or to the use of different approaches
and teaching methods. This approach might be particularly useful for identifying and providing
ongoing support for poor language comprehenders given their lack of early “symptoms” of their
later reading problems.
Conclusion
This dissertation investigated the linguistic and reading profiles of ELL children
classified in grade 4 as typically developing or at-risk for poor reading comprehension based on
their concurrent decoding and language comprehension abilities. Profiles were examined in
grade 4 (Study 1) and retrospectively in grade 2 (Study 2), in order gain an understanding of
THE LINGUISTIC AND READING SKILLS OF ELLS
131
concurrent and earlier skill profiles of subtypes of ELL readers. Developing profiles is useful in
applied settings because it allows for educators and clinicians to compare and contrast at set of
evidence-based criteria with a child’s skill levels across a number of domains for effective
diagnosis and intervention. Predictors of reading subtype in grade 4 using earlier grade 2
predictors were also examined in Study 2. The identification of early predictors for recognizing
children with later emerging difficulties is critical in providing at-risk students with effective
remediation because once children fall behind in their reading development, it is difficult for
them to catch up (Torgeson, 1998).
Findings from Study 1 indicated that the at-risk reading groups—poor decoders, poor
language comprehenders, and multi-deficit at-riskers—presented with unique skill profiles when
compared to typically developing ELLs at both time points. One common thread across all three
at-risk ELL reader groups however, was their diminished word-level reading fluency. Findings
from Study 2 indicated distinct predictors of later reading subtype. Children with poor decoding
in grade 4 could be accurately predicted by their poor word reading fluency in grade 2, children
with poor language comprehension in grade 4 could be accurately predicted by their diminished
general vocabulary in grade 2 in comparison to their ELL peers, and children with a combined
set of difficulties in decoding and language comprehension could be accurately predicted by their
poor word-level reading fluency and poor oral expression in grade 2 in comparison to their ELL
peers.
In conclusion, it seems clear that word reading fluency needs to be an area of focused
instruction for ELL readers profiling as at-risk for reading comprehension problems.
Additionally, differentiated instruction specific to an ELL child’s cognitive, linguistic, and
reading profile is critical for reading success. Sample size is often a major limitation in at-risk
research due to the smaller number of children that experience language and/or reading problems
THE LINGUISTIC AND READING SKILLS OF ELLS
132
(i.e., 10-15% of the population). That said, findings from this research provide important
theoretical and methodological contributions to future research in the area.
THE LINGUISTIC AND READING SKILLS OF ELLS
133
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