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	Concurrent Exploratory Sequential Mixed Methods Design	同時的三角測量混合研究法デザイン
分野	研究デザイン	研究デザイン
系統	Process / pipeline	Process / pipeline
提唱年	2000s–2010s	2007 (formally named in Creswell & Plano Clark, 1st ed.)
提唱者	Creswell & Plano Clark (expanded typology)	John W. Creswell & Vicki L. Plano Clark
種類	Mixed methods research design	Mixed methods research design
原典	Creswell, J. W., & Plano Clark, V. L. (2018). Designing and Conducting Mixed Methods Research (3rd ed.). SAGE Publications. ISBN: 978-1483344379	Creswell, J. W., & Plano Clark, V. L. (2011). Designing and Conducting Mixed Methods Research (2nd ed.). Sage. ISBN: 978-1412975179
別名	concurrent-exploratory sequential design, QUAN+QUAL→QUAN design, concurrent exploratory mixed design, multiphase concurrent-exploratory design	convergent parallel design, triangulation design, QUAN+QUAL concurrent design, simultaneous triangulation
関連	6	5
概要	Concurrent exploratory sequential mixed methods design is an advanced mixed methods configuration that combines two timing structures: a concurrent (simultaneous) data-collection phase alongside an exploratory sequential strand, in which early qualitative findings inform the development or refinement of a quantitative component. This hybrid is used when a study needs both real-time integration of qualitative and quantitative data and an instrument-building or theory-testing phase driven by initial qualitative exploration.	The concurrent triangulation mixed methods design collects quantitative and qualitative data simultaneously, analyzes each strand independently, and then merges the results to assess whether the two data sources corroborate one another. Often called the convergent parallel design, it is one of the foundational configurations in mixed methods research and is chosen specifically when the researcher wants to cross-validate or triangulate findings from two distinct methodological traditions.