방법 비교

	동시 사례 중심 혼합 방법	탐색적 순차 혼합 방법 설계
분야	연구설계	연구설계
계열	Process / pipeline	Process / pipeline
기원 연도	2000s–2010s (formalized in Creswell & Plano Clark 2011, 2018)	1990s–2000s (codified by ~2007)
창시자	Creswell & Plano Clark (mixed methods typology); Yin (case study methods)	John W. Creswell & Vicki L. Plano Clark
유형	Mixed methods research design	Mixed methods research design
원전	Creswell, J. W., & Plano Clark, V. L. (2018). Designing and Conducting Mixed Methods Research (3rd ed.). Sage.	Creswell, J. W., & Plano Clark, V. L. (2018). Designing and Conducting Mixed Methods Research (3rd ed.). Sage. ISBN: 978-1483344379
별칭	concurrent case study mixed methods, parallel case-focused mixed design, simultaneous case mixed methods, case-embedded concurrent mixed design	QUAL → QUAN design, exploratory sequential design, instrument-development design, theory-building mixed methods
관련	6	6
요약	Concurrent case-focused mixed methods is a research design in which quantitative and qualitative data are collected simultaneously — rather than in sequence — and both strands are anchored within one or more bounded cases (e.g., a school, a program, a community, or an organisation). The two data strands are analyzed separately, then merged or compared to produce a fuller, case-grounded understanding than either strand could yield alone.	The exploratory sequential mixed methods design is a two-phase research framework in which a qualitative phase is conducted first to explore a poorly understood phenomenon, and the findings then inform a subsequent quantitative phase — typically to develop and test a survey instrument, measure a theory, or generalize qualitative insights to a larger population. The qualitative strand guides what is measured; the quantitative strand tests or extends those findings at scale.