手法を比較

	複数事例に基づくデジタルエスノグラフィ	複数事例研究
分野	質的手法	質的手法
系統	Process / pipeline	Process / pipeline
提唱年	2000s–2010s	1980s–1990s (Yin's first edition 1984; Stake's collective case study concept 1995)
提唱者	Christine Hine (virtual ethnography); Sarah Pink et al. (digital ethnography); cross-case logic from Robert Yin	Robert K. Yin (systematic replication logic); Robert E. Stake (naturalistic/collective case tradition)
種類	Qualitative comparative research design	Qualitative research method
原典	Hine, C. (2000). Virtual Ethnography. Sage. ISBN: 978-0761958956	Yin, R. K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
別名	multi-case digital ethnography, comparative digital ethnography, cross-case digital ethnography, multi-site digital ethnography	comparative case study, multi-site case study, collective case study, cross-case analysis
関連	5	6
概要	Multiple case-based digital ethnography is a qualitative research design that conducts ethnographic fieldwork across two or more purposefully selected digital sites or communities, then systematically compares findings across cases. Rooted in digital ethnography's immersive, interpretive tradition and in multiple case study logic, it reveals both site-specific practices and cross-cutting patterns in online social life. It is especially suited to questions about how similar phenomena are enacted differently across digital platforms, communities, or cultural contexts.	Multiple-case study design investigates two or more bounded real-world cases using the same research protocol, then compares findings across cases to identify patterns, contrasts, and explanatory insights that a single case could not produce. Developed primarily through Robert Yin's replication logic and Robert Stake's collective case tradition, the approach is particularly powerful when a researcher needs to determine whether a phenomenon occurs under varied conditions or to test an emerging theoretical explanation against rival contexts.