hahn, 2014. statistics business
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DESCRIPTIONEducational Studies of Mathematics
Linking academic knowledge and professional experiencein using statistics: a design experiment for businessschool students
# Springer Science+Business Media B.V. 2011
Abstract The aim of the empirical study presented in this paper is to explore how studentslink academic knowledge with workplace experience. I carried out a research study with agroup of 36 business school students entering a 3-year masters level apprenticeshipprogramme. In an introductory statistics course, I designed and implemented a four-steplearning activity, based on an Exploratory Data Analysis approach and inspired by anauthentic workplace situation. I report the findings of qualitative research based on therecorded discussions between students and the reports they wrote at each step in theexperience. I found that three different forms of rationalitytechnical, pragmatic andscientificled them to shape the problem differently. I observed that they hardly usedstatistical tools because pragmatic rationality which is linked to their experience assalespersons prevails, although access to a managerial approach suggests the use of morestatistical knowledge.
Keywords Statistics . Apprenticeship . Management . Decision making . Rationality
Over the past decades, a number of studies have addressed the problem of the transitionsbetween school mathematics and out-of-school mathematics. The seminal works of Lave(1988) and Nunes, Schliemann and Carraher (1993), drawing on anthropological methods,focus on sociocultural activities in which mathematics is embedded. They analysed out-of-school practices and highlighted the difficulties experienced by subjects in linking out-of-school activities to academic knowledge.
Many researchers have focused their interest on mathematical practices in workplacesand provided a wide range of outcomes from different industries (Bessot & Ridgway, 2000;Hoyles, Noss, Kent & Bakker, 2010; Noss, Hoyles & Pozzi, 2000; Roth, this issue;Triantafillou & Potari, 2010). Beyond the acknowledgement of the existence of twodifferent types of practices (out-of-school and academic) and of the difficulty workersexperience using mathematics, the question is how to help these workers to broaden their
C. Hahn (*)ESCP Europe, Paris, Francee-mail: firstname.lastname@example.org
Educ Stud Math (2014) 86:239251
Published online: 26 November 2011
perspective by integrating mathematical knowledge to their work. Specific tools designedfor adult workers such as technology-enhanced boundary objects (Hoyles et al., 2010) areone possible answer. More generally, researchers often recommend the use of authenticsituations in educational programmes (Nunes et al., 1993; Steen & Forman, 2000;Triantafillou & Potari, 2010). Nevertheless, introducing work reality into the classroom isnot an easy task, as the epistemologies of work practices related to mathematics differ fromschool mathematics (Noss et al., 2000). At school, reality has to be adjusted by the teacher;problems are drafted in order to fit classroom goals (Freudenthal, 1991). Thus, as claimedby Abreu (2000), there is a need to explore more deeply the relationship between themicrocontext of the mathematics classroom, and the macrocontext of the socioculturalenvironment, in order to gain some insight into the way learners decide on their actions.
Vocational education takes on many different forms in different countries, butapprenticeship is a common form, dating as far back as the Middle Ages. In France, it isbased on a real partnership between school and businesses, a partnership whose terms arestrictly legally defined, both nationally and regionally. One of its main characteristics is thefocus on the learner, seen not as a student or a professional who on some occasions travelsto the other world, but as a full member of both worldsa difficult position to manage (Star& Griesemer, 1989). Because the French apprenticeship system is based on a dual jointintegration in two worlds, school and industry, it appears to us particularly suitable forobserving the reciprocal influence of the school and workplace on learners' behaviours(Hahn, 2000).
In this article, I present a design experiment (Cobb et al., 2003) whose main goal is toexplore how students link academic knowledge with workplace experience. The researchfield of management education appears particularly suited to the examination of academicdisciplines in real-life context: Although academic disciplines play an important role in thecurricula, their role in the workplace is difficult to grasp, as management is largely based oninformal, collective and unstable situations, and the results of managers' actions are notalways clear.
I conducted the research with a group of 36 business school students entering a 3-yearmasters level apprenticeship programme in order to explore how these students linkedacademic knowledge and workplace experience. To achieve my goal, I implemented, in anintroductory statistics course, a learning activity, specifically designed for this researchstudy, based on the use of an Exploratory Data Analysis (EDA) approach and inspired byan authentic workplace situation.
The first part of this article presents my theoretical framework. The second part describesthe methodology and experimental procedure employed in the experiment. Finally, Isummarise and discuss the results obtained from the experiment.
1 Theoretical framework
1.1 To learn between school and workplace
Although referring to different theoretical frameworks which emphasise either the culturalor the cognitive dimension, some authors agree that learning appears to occur through adialectical processbetween conceptualisations in action, embedded in the setting in whichthey occur, and theories or scientific conceptswhether these authors stress thecontinuity between these two forms of thinking (Noss et al., 2000) or the discontinuity(Pastr, Vergnaud & Mayen, 2006). A dialectical learning process implies the construction
of an internal space where different levels of generalisation play, work or compete together(Brossard, 2008). In fact, this means not only different levels of generalisation but alsodifferent conceptual fields, as defined by Vergnaud (1990). His cognitive model ofcomplexity gives an essential role to concepts, seen as a set of invariants used in action.Regional epistemologies (Bachelard, 1970), specific to each discipline, lead to differentlydefined conceptual fields. The problem is to think of their articulation with professionalfields, structured around situations and not around problems: The learner has to selectknowledge from one conceptual field that s/he thinks will be useful in order to perform aspecific action (Pastr, 2007). But how does the learner select this knowledge? We are notonly driven by bounded rationality (Simon, 1991), and the decision-making process is not asimple question of information processing. Our rationality, developed through ourparticipation in different communities, is shaped by values and beliefs of which we aremostly unaware. Not all of this tacit knowledge can be codified and it shapes not only themeans but also the evaluation of the ends (Polanyi, 1966). Scientific rationality as it isdeveloped at schoolexplicit logical reasoningcoexists with other social forms ofrationality. The way the learner solves a problem depends on what the problem means toher/him. According to Vergnaud, drawing on Piaget, schemes that organise subjects' actionsand allow them to interact with their environment are associated with a set of situations.Thus, in a classroom context, the procedure used to solve a problem varies depending onthe situation with which the student associates the problem, and the personal goal s/hebuilds for the activity. This explains why learners use different strategies in differentenvironments (Hahn, 2000; Slj &Wyndhamn, 1993). Therefore it seems important tobuild activities that not only refer to authentic work practices but which are also part of thelearner's field of experience (Boero & Douek, 2008).
1.2 Statistics and management
Because of its widespread use in modern society, activities involving statistical reasoningand data can easily provide students with problems inspired by everyday life or professionalsettings. In business schools, statistics is an important subject, as it offers much insight intomany serious corporate questions and issues. But, in fact, most decisions can be madewithout considering any statistical methods and, quite often, managers are not aware of thetypes of rationality underlying the decisions they make, or of the way they could improvetheir decision-making process by using statistical methods (Dassonville & Hahn, 2002). Insales management, statistics offers the possibility of analysing and modelling informationwith very large data sets held by firms about their customers.
Statistics educators recommend using real data and developing an EDA approach inorder to enculturate students into statistical reasoning (Gould, 2010; Pfannkuch, 2005).The aim is to give students the opportunity to mine through data, to formulate hypothesesout of the information given and to choose appropriate tools to verify these hypotheses. Inparticular, students are driven to work on notions such as variation and distribution, twofoundation stones of statistics (Wild, 2006).
Nevertheless, if variation and distributions are key statistical concepts, they are hard todeal with at any age or level (Garfield & Ben-Zvi, 2005). Research studies show thatstudents usually study extremes and divide data into subgroups (Hammerman & Rubin,2004), they have difficulty with spontaneous use of summary statistics (Konold &Pollatsek, 2002) and, when they calculate measures,