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	Grounded Theory Comparativa	Studio di caso comparativo
Campo	Qualitativo	Qualitativo
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1967 (base); comparative application formalised from the 1980s onward	1984 (Yin); 1995 (Stake)
Ideatore	Barney Glaser and Anselm Strauss (grounded theory base); comparative extension developed by multiple scholars	Robert K. Yin; Robert E. Stake
Tipo	Qualitative comparative research design	Qualitative / mixed research design
Fonte seminale	Glaser, B. G., & Strauss, A. L. (1967). The Discovery of Grounded Theory: Strategies for Qualitative Research. Aldine. ISBN: 978-0202302607	Yin, R. K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
Alias	cross-site grounded theory, multi-group grounded theory, comparative GT, grounded theory comparative analysis	cross-case study, multi-site case study, multiple case study design, comparative case analysis
Correlati	6	4
Sintesi	Comparative grounded theory applies the systematic inductive logic of grounded theory across two or more distinct groups, settings, or time points. Rather than generating a theory grounded in a single context, it builds theory that explains variation and similarity across contexts, producing conceptually richer and more transferable explanatory frameworks than single-site grounded theory studies.	Comparative case study is a qualitative research design in which two or more bounded cases are studied in depth and then systematically compared to identify similarities, differences, and patterns across contexts. Rooted in Yin's replication logic and Stake's multiple case framework, it is particularly suited to questions that ask how or why a phenomenon unfolds differently — or similarly — across distinct settings, populations, or time periods.