What is it about?

Mixed methods single case research (MMSCR) is research in which single case experimental and qualitative case study methodologies, and their accompanying sets of methods and techniques, are integrated to answer research questions that concern a single case. This article discusses the historical roots and the distinct nature of MMSCR, the kinds of knowledge MMSCR produces, its philosophical underpinnings, examples of MMSCR, and the trustworthiness and validity of MMSCR. Methodological challenges relate to the development of a critical appraisal tool for MMSCR, to the team work that is involved in designing and conducting MMSCR studies, and to the application of mixed methods research synthesis for multiple case studies and single case experiments.

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Why is it important?

This paper is important because in practice both quantitative and qualitative information on a single case might be available and both sources of information can provide evidence and context. This paper makes the link between the single case research literature and the mixed methods literature.

Perspectives

This is a key publication for the methodology courses at KU Leuven and the research of our research group, studying both single case experimental designs and qualitative case studies.

Patrick Onghena
Katholieke Universiteit Leuven

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This page is a summary of: Mixed Methods Single Case Research: State of the Art and Future Directions, Journal of Mixed Methods Research, July 2018, SAGE Publications,
DOI: 10.1177/1558689818789530.
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