Validity

A typology of mixed methods sampling designs in social science research

Onwuegbuzie, Anthony J. & Collins, K. M. T. (2007) The Qualitative Report, 12(2), 281-316 Description: Introduces a framework for developing sampling designs in mixed methods research. Discusses sample frames, recommended sample sizes, a typology for classification of strategies, guidance for sampling decisions, and issues related to how sampling decisions impact generalization.

A mixed methods investigation of mixed methods sampling designs in social and health science research

Collins, Kathleen M. T., Onwuegbuzie, Anthony J., & Jiao, Qun G. (2007)(2007) Journal of Mixed Methods Research, 1(3), 267-294 Description: Presents a two-dimensional model (time orientation—concurrent vs. sequential and the relationship between the qualitative and quantitative samples—identical, nested, multilevel, and parallel) for classifying mixed methods studies sampling designs. Presents and discusses findings from the distribution of 121 studies into the model and the relative appropriateness of the employed strategy.

Lessons learned for teaching mixed research: A framework for novice researchers

Onwuegbuzie, Anthony J. & Leech, Nancy L. (2009) International Journal of Multiple Research Approaches, 3(1), 105-107. Description: A concise description of key steps in the mixed research process. The authors further map this process onto issues/controversies in the use of mixed methods research and the challenges mixed methods researchers face.

A Guide to the Use of Randomized Controlled Trials (RCTs) in Assessing Intervention Effects: The Promise of Multiple Methods [Brochure]

Grissmer, D. W., Subotnik, R. F., & Orland, M. (2008) American Psychological Association, Washington, D.C. Description: Presents a schematic illustration of issues and rationale in whether and how to address policy and research questions via multiple method research design.

Toward a unified validation framework in mixed methods research

Dellinger, Amy B. & Leech, Nancy L. (2007) Journal of Mixed Methods Research, 1(4), 309-332 Description: Offers a validation framework to guide thinking about validation in mixed methods work. An orientation from both qualitative and quantitative perspectives is used to set the foundation for discussing and thinking about validation issues.

Moret, Margriet, Reuzel, Rob, Van Der Wilt, Gert J. & Grin, John (2007)

Validity and Reliability of Qualitative Data Analysis: Interobserver Agreement in Reconstructing Interpretative Frames
Field Methods, 19(1): 24-39
Description: Assessed interobserver reliability in the use of reconstructing interpretative frames techniques as an indicator of its rigor.

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