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Qualitative research synthesis: An appreciative and critical introduction

This paper introduces models and techniques for synthesizing multiple qualitative studies on a topic. Qualitative research synthesis is a diverse set of methods for combining the data or the results of multiple studies on a topic to generate new knowledge, theory and applications. Use of qualitative research synthesis is rapidly expanding across disciplines. Aggregative and interpretive models of qualitative research synthesis are defined and distinguished. Several interpretive models are detailed. Their strengths are identified, and their limitations and areas of methodological ambiguity are critically examined. The steps of qualitative research synthesis are discussed and challenges specific to doing qualitative synthesis are identified and explored.