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	Obserwacja uczestnicząca w kontakcie bezpośrednim	Badanie typu studium przypadku (case study research)
Dziedzina	Metodologia badań sondażowych	Metody jakościowe
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	Early 20th century (Chicago School ~1920s; Spradley formalisation 1980)	1984 (seminal codification)
Twórca	Chicago School sociologists (Robert Park, Ernest Burgess); systematised by Raymond Gold (1958) and James Spradley (1980)	Robert K. Yin (systematised in Case Study Research, 1984)
Typ	Qualitative data collection technique	Qualitative research design
Źródło pierwotne	Spradley, J. P. (1980). Participant Observation. Holt, Rinehart and Winston. ISBN: 978-0030445019	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
Inne nazwy	in-person participant observation, direct participant observation, fieldwork participant observation, co-present observation	Vaka Çalışması (Case Study), case study design, case study methodology
Pokrewne	5	5
Podsumowanie	Face-to-face participant observation is a qualitative data collection technique in which the researcher physically enters a setting and engages with participants in real time to document social behaviour, interactions, and meaning-making as they naturally occur. Unlike online or remote variants, the researcher is bodily present, enabling direct sensory access to context, non-verbal cues, and the full texture of everyday life in the setting under study.	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.