integration of quantitative and qualitative research: observations from a multi-country ecohealth...
DESCRIPTION
Presentation by Silvia Alonso at the EcoHealth 2014 conference, Montreal, Canada, 11-15 August 2014.TRANSCRIPT
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Integration of quantitative and qualitative research: observations from a multi-country
EcoHealth study
EcoHealth 2014 conference Montreal, Canada 11-15 August 2014
Silvia Alonso
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PRESENTATION OUTLINE
• The EcoZD project • Mixed methods research • Case study from EcoZD project • Lessons learnt
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THE EcoZD PROJECT
• ECOSYSTEM APPROACHES TO THE STUDY OF ZOONOTIC DISEASES
• Multi-country project in Southeast Asia
• Research question at animal-human interface (zoonoses)
• MULTIDISCIPLINARY research teams
• Integration of social and natural sciences research
• Working using principles of EcoHealth research
• Capacity building
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MIXED METHODS RESEARCH
MIXED METHODS RESEARCH
“… intentionally integrate or combine quantitative and qualitative data to
maximize the strengths of each, to answer questions that are inadequately
answered by one approach.” (Ozawa and Pongpirul, 2013)
“… it allows researchers to view problems from multiple perspectives, contextualize information, develop a more complete understanding of a problem, triangulate results, quantify hard-to-measure constructs, provide illustrations of context for trends, examine processes/experiences along with outcomes and capture a macro picture of a system.” (Ozawa and Pongpirul, 2013)
Increasing literature - mixed methods as a distinct research approach … with a lot of controversy too!! 2
2 J, W. Creswell . 2011. Controversies in mixed methods research. In The SAGE handbook of qualitative research. SAGE publications Inc.
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Mixed Methods Research
• MERGING THEORIES AND PRACTICES qualitative and quantitative research methods
• Different approaches to integration (complementarity, development, initiation, expansion,
triangulation)
• Field under development – need to build up the case log to demonstrate which approaches
are more suitable to answer different types of research questions
• Best practice guidelines published in 20101 to guide MM research best
practices in health sciences • RISK TO “FORCE” MM RESEARCH WITHOUT REAL NEED - The rational for a research
question to require MM approach needs to be clearly identified a priori
1 J, W. Creswell, A. C. Klassen, V. L. Plano Clark, K. C. Smith. 2010. Best Practices for Mixed Methods Research in the Health Sciences. OBSSR
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Mixed methods research in EcoZD studies
Qualitative research: Participatory rural appraisals (PRA) Focus group discussions (FGD)
Quantitative research: Observational studies Biological sampling
Summary
report
Statistical
analysis
EcoZD – what happens in practice…
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LIVESTOCK KEEPING AND DIARRHOEA IN CAMBODIA
2 Provinces
4 Districts
8 villages
Quantitative methods (questionnaire and biological sampling)
investigate risk factors for zoonotic transmission
Qualitative methods (PRA and FGD)
capture socio-economic aspects linked to disease occurrence and spread
Quantitative analysis
Summary of observations
No correlation animal/human pathogens Animal farming / pig-cattle consumption NOT risk factors. Duck/fish consumption potential RF. Eating sick animals, vegetables, use surface/lake water - RF
Sickness attributed to food other than from animals and un-boiled water Participants do not consumed meat from their animals Wealth as risk factor Animal raising practices change with season Chemicals
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IS THERE AN ADDED VALUE?
• Helps make sense of “hard to explain” quantitative findings
• Captures complexity
• Help design the research question – Identifying the problem
– Get acquainted with the context
• Inform participants about study
• Guide design of intervention/control strategies
• Good complement of small quantitative studies
• Allows testing of hypothesis • Allows in depth analysis of specific aspects • Provides accepted scientific evidence to support
advocacy
QUALI
QUANTI
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A LOOK “A POSTERIORI”
TRULY INTER-INSTITUTIONAL WORK Added value of FGD and PRAs (broader understanding of context; facilitates interaction with stakeholders) APPROACH: “Convergent design” - both methods used “independently” and results can be combined/integrated after analysis. It could also have been a study for theory development (i.e. qualitative) followed by testing/extension studies (quantitative).
DATA INTEGRATION WAS LIMITED (needs explicit analysis plan) GREAT CHALLENGE IN TERMS OF EXPERTISE NEEDED (capacity development) TIME COMMITMENT FROM RESEARCH TEAM
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