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Quality Issues in Mixed-Methods Research

Quality Issues in Mixed-Methods Research . Alan Bryman, Management Centre, University of Leicester, UK. Quality Criteria in Qualitative Research. Significant development Inappropriateness of traditional criteria Two approaches Adapt traditional criteria Alternative criteria.

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Quality Issues in Mixed-Methods Research

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  1. Quality Issues in Mixed-Methods Research Alan Bryman, Management Centre, University of Leicester, UK.

  2. Quality Criteria in Qualitative Research • Significant development • Inappropriateness of traditional criteria • Two approaches • Adapt traditional criteria • Alternative criteria

  3. What about Mixed-Methods Research? • No criteria for appraising mixed-methods research exist (Sale and Brazil, 2004) • How should we approach quality criteria for mixed-methods research?

  4. Three Possible Approaches • Convergent criteria • Separate criteria • Bespoke criteria • Problem of lack of agreement on qualitative criteria • Not a focus of concern among interviewees

  5. A Contingency Approach • Insight from organization studies • Each approach to quality criteria may be appropriate in some circumstances but not others

  6. Quantitative or Qualitative Dominant (Teddlie, 2005)

  7. Quantitative or Qualitative Dominant • Quantitative dominant – qualitative research generates hypotheses to be tested or to develop measurement instruments • Traditional criteria • Qualitative dominant - quantitative research simply for background data or amount of quantitative data is minimal • Alternative, qualitative criteria • Convergent criteria – use same criteria for both components

  8. Integrated or Separate? • Different research questions for quantitative and qualitative components? • Separate criteria • Integration of quantitative and qualitative components • Bespoke criteria

  9. Bespoke Criteria • Two sets of criteria • Tashakkori & Teddlie (2003) – emphasis on inference quality • Does an inference meets the fundamental criteria required for it to be credible and/or defensible? • Blends internal validity (traditional) and trustworthiness and credibility (alternative)

  10. Bespoke Criteria • Sale & Brazil (2004) • Truth value = internal validity + credibility • Applicability = external validity/ generalizability + transferability • Consistency = reliability + dependability • Neutrality = objectivity + confirmability • Rooted in criteria for quantitative and qualitative research • Other criteria specific to mixed-methods? • Not always appropriate or needed anyway

  11. Bespoke Criteria • Appear to be obvious solution but… • Not always appropriate • Lack of agreed qualitative criteria • Unplanned outcomes of mixed-methods research • Formulation of bespoke criteria for mixed-methods research very difficult

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