手法を比較

	複数事例基盤の記号論的分析	ケーススタディリサーチ（Case Study Research）
分野	質的手法	質的手法
系統	Process / pipeline	Process / pipeline
提唱年	1980s–1990s (consolidation in communication and marketing research)	1984 (seminal codification)
提唱者	Synthesised from Peircean/Saussurean semiotics and Yin's multiple case study logic; Floch (1990) is a key applied exemplar	Robert K. Yin (systematised in Case Study Research, 1984)
種類	Qualitative comparative research design	Qualitative research design
原典	Floch, J.-M. (1990). Semiotique, marketing et communication: sous les signes, les strategies. Presses Universitaires de France. [English translation: Semiotics, Marketing and Communication, Palgrave Macmillan, 2001.] ISBN: 978-0333776858	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
別名	multi-case semiotic analysis, comparative semiotic case study, cross-case semiotic inquiry, MCSA	Vaka Çalışması (Case Study), case study design, case study methodology
関連	5	5
概要	Multiple case-based semiotic analysis is a qualitative research design that applies semiotic frameworks — the systematic study of signs, codes, and meaning-making — across two or more purposively selected cases. By combining the comparative logic of multiple case study research with the interpretive tools of semiotics (structural, Peircean, or Greimasian), it enables researchers to uncover how meaning is constructed and varied across distinct cultural, organisational, or communicative contexts.	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.