手法を比較

	ケーススタディリサーチ（Case Study Research）	Grounded Theory	ナラティブ分析
分野	質的手法	質的研究	質的手法
系統	Process / pipeline	Process / pipeline	Process / pipeline
提唱年	1984 (seminal codification)	1967	1967 (foundational); 2008 (canonical handbook)
提唱者	Robert K. Yin (systematised in Case Study Research, 1984)	Barney Glaser and Anselm Strauss	Catherine Kohler Riessman (seminal synthesis, 2008); roots in Labov & Waletzky (1967)
種類	Qualitative research design	Method	Qualitative interpretive method
原典	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169	Glaser, B. G., & Strauss, A. L. (1967). The discovery of grounded theory: Strategies for qualitative research. Aldine.	Riessman, C.K. (2008). Narrative Methods for the Human Sciences. Sage.
別名	Vaka Çalışması (Case Study), case study design, case study methodology	GT, Grounded Theory Approach	narrative inquiry, life history analysis, biographical research, Anlatı Analizi (Narrative Analysis)
関連	5	3	6
概要	Case study research is a qualitative research design that investigates a specific phenomenon, individual, group, organisation, or event in depth within its real-world context. Systematised by Robert K. Yin in 1984, it supports single-case and multiple-case designs and draws on multiple data sources — interviews, observation, documents, and artefacts — to build a rich, contextualised account of a bounded unit.	Grounded Theory (GT) is a systematic qualitative research methodology in which theory emerges directly from data through iterative analysis, rather than being imposed before data collection. Developed by Barney Glaser and Anselm Strauss in 1967, GT prioritizes generating explanatory frameworks grounded in evidence.	Narrative analysis is a qualitative research method, synthesised canonically by Catherine Kohler Riessman (2008), that examines how individuals storise their lived experiences and construct meaning through the telling. Drawing on life history, biographical, and narrative inquiry traditions, it treats the story itself — not just its content — as the unit of analysis, attending to temporal sequence, plot structure, and the social context in which a narrative is produced.