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	Wywiad częściowo ustrukturyzowany	Badanie typu studium przypadku (case study research)
Dziedzina	Metody jakościowe	Metody jakościowe
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1946 (Merton & Kendall); codified as a standard method through the 1980s–1990s	1984 (seminal codification)
Twórca	Robert K. Merton and Patricia Kendall (focused interview, 1946); further systematised by Steinar Kvale	Robert K. Yin (systematised in Case Study Research, 1984)
Typ	Qualitative research method	Qualitative research design
Źródło pierwotne	Kvale, S., & Brinkmann, S. (2009). InterViews: Learning the Craft of Qualitative Research Interviewing (2nd ed.). Sage. ISBN: 978-0761925422	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
Inne nazwy	guided interview, semi-standardized interview, focused interview, SSI	Vaka Çalışması (Case Study), case study design, case study methodology
Pokrewne	6	5
Podsumowanie	The semi-structured interview is a qualitative data-collection method in which the researcher prepares a set of key questions or topic areas in advance but remains free to probe, follow up, and reorder as the conversation evolves. Unlike structured interviews — which fix every question and sequence — or unstructured interviews — which are entirely open — the semi-structured format balances comparability across participants with the flexibility needed to capture the depth and nuance of individual perspectives. It is the most widely used interview format in social science, health, and education research.	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.