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| 複数事例研究× | ケーススタディリサーチ（Case Study Research）× | |
|---|---|---|
| 分野 | 質的手法 | 質的手法 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1980s–1990s (Yin's first edition 1984; Stake's collective case study concept 1995) | 1984 (seminal codification) |
| 提唱者≠ | Robert K. Yin (systematic replication logic); Robert E. Stake (naturalistic/collective case tradition) | Robert K. Yin (systematised in Case Study Research, 1984) |
| 種類≠ | Qualitative research method | Qualitative research design |
| 原典≠ | Yin, R. K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169 | Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169 |
| 別名≠ | comparative case study, multi-site case study, collective case study, cross-case analysis | Vaka Çalışması (Case Study), case study design, case study methodology |
| 関連≠ | 6 | 5 |
| 概要≠ | Multiple-case study design investigates two or more bounded real-world cases using the same research protocol, then compares findings across cases to identify patterns, contrasts, and explanatory insights that a single case could not produce. Developed primarily through Robert Yin's replication logic and Robert Stake's collective case tradition, the approach is particularly powerful when a researcher needs to determine whether a phenomenon occurs under varied conditions or to test an emerging theoretical explanation against rival contexts. | 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. |
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