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| Διαχρονική Μελέτη Περίπτωσης Ενός Ατόμου× | Σχεδιασμός Συγκριτικής Μελέτης Πολλαπλών Περιπτώσεων× | |
|---|---|---|
| Πεδίο | Ποιοτικές Μέθοδοι | Ποιοτικές Μέθοδοι |
| Οικογένεια | Process / pipeline | Process / pipeline |
| Έτος προέλευσης≠ | 1984 (Yin's foundational codification); longitudinal case methods in use since early 20th century | 1980s–1990s (Yin's first edition 1984; Stake's collective case study concept 1995) |
| Δημιουργός≠ | Robert K. Yin (systematic codification); roots in clinical and anthropological case tradition | Robert K. Yin (systematic replication logic); Robert E. Stake (naturalistic/collective case tradition) |
| Τύπος≠ | Qualitative research design | Qualitative research method |
| Θεμελιώδης πηγή | 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 |
| Εναλλακτικές ονομασίες | single-case longitudinal design, in-depth longitudinal case study, idiographic longitudinal study, LSCS | comparative case study, multi-site case study, collective case study, cross-case analysis |
| Συναφείς | 6 | 6 |
| Σύνοψη≠ | A longitudinal single case study is a qualitative research design that follows one bounded unit — a person, organization, program, or community — through multiple points in time. Unlike a cross-sectional snapshot, it captures how phenomena develop, shift, or respond to events across months or years, combining the contextual richness of case study methodology with the temporal depth needed to understand process and change. | 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. |
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