เปรียบเทียบวิธี

	ปรากฏการณ์วิทยาเชิงอรรถประโยชน์	การวิจัยกรณีศึกษา
สาขาวิชา	เชิงคุณภาพ	เชิงคุณภาพ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1900–1913 (Ideas I, 1913)	1984 (seminal codification)
ผู้ริเริ่ม	Edmund Husserl	Robert K. Yin (systematised in Case Study Research, 1984)
ประเภท	Qualitative research method	Qualitative research design
แหล่งต้นตำรับ	Moustakas, C. (1994). Phenomenological Research Methods. Sage. ISBN: 978-0803957466	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169
ชื่อเรียกอื่น	Husserlian phenomenology, eidetic phenomenology, transcendental-phenomenological research, pure phenomenology	Vaka Çalışması (Case Study), case study design, case study methodology
ที่เกี่ยวข้อง	6	5
สรุป	Transcendental phenomenology, founded by Edmund Husserl, is a qualitative method that seeks the universal essential structures — the invariant essences — of a consciously lived experience. By bracketing all assumptions and prior theories (epoché) and applying eidetic reduction, the researcher uncovers what an experience is in its purest, most fundamental form, independent of any particular context, culture, or individual biography. Clark Moustakas's 1994 adaptation made the method directly accessible to social-science researchers.	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.