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	Studio di caso singolo basato sul campo	Studio di caso singolo longitudinale
Campo	Qualitativo	Qualitativo
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1984 (Yin); 1995 (Stake)	1984 (Yin's foundational codification); longitudinal case methods in use since early 20th century
Ideatore	Robert K. Yin; Robert E. Stake	Robert K. Yin (systematic codification); roots in clinical and anthropological case tradition
Tipo	Qualitative case study design	Qualitative research design
Fonte seminale	Yin, R. K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage Publications. ISBN: 978-1506336169	Yin, R. K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
Alias	single-site case study, holistic single case study, naturalistic single case study, field case study	single-case longitudinal design, in-depth longitudinal case study, idiographic longitudinal study, LSCS
Correlati	6	6
Sintesi	A field-based single case study is a qualitative research design that investigates one bounded real-world case — an individual, program, organization, event, or community — in its natural setting through sustained first-hand fieldwork. Drawing on Robert Yin's systematic case study logic and Robert Stake's interpretive tradition, this design combines multiple data sources collected on-site to build a rich, contextualized account of a phenomenon that cannot be separated from its real-world environment.	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.