Σύγκριση μεθόδων

	Μελέτη Περίπτωσης Κρίσιμης Σημασίας	Έρευνα μελέτης περίπτωσης
Πεδίο	Ποιοτικές Μέθοδοι	Ποιοτικές Μέθοδοι
Οικογένεια	Process / pipeline	Process / pipeline
Έτος προέλευσης	1980s–2006 (formalized)	1984 (seminal codification)
Δημιουργός	Bent Flyvbjerg (formalized); Robert K. Yin (case study typology)	Robert K. Yin (systematised in Case Study Research, 1984)
Τύπος	Qualitative research design	Qualitative research design
Θεμελιώδης πηγή	Flyvbjerg, B. (2006). Five misunderstandings about case-study research. Qualitative Inquiry, 12(2), 219–245.	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
Εναλλακτικές ονομασίες	critical case, strategic case study, critical-instance case study, paradigmatic case study	Vaka Çalışması (Case Study), case study design, case study methodology
Συναφείς	6	5
Σύνοψη	A critical case study is a case study design in which the researcher deliberately selects a case that is strategically important for testing, confirming, challenging, or extending an existing proposition, theory, or policy claim. Rather than choosing a typical or representative case, the researcher argues that if the finding holds here — in this most-likely, least-likely, or paradigmatic instance — it can reasonably be expected to hold more broadly. This purposive logic transforms a single case into a powerful analytical tool.	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.