পদ্ধতির তুলনা করুন

	মৌখিক ইতিহাস	কেস স্টাডি গবেষণা	বর্ণনামূলক বিশ্লেষণ
ক্ষেত্র	গুণগত	গুণগত	গুণগত
পরিবার	Process / pipeline	Process / pipeline	Process / pipeline
উদ্ভবের বছর	1948 (modern disciplinary form); broader roots in 19th-century folklore and anthropology	1984 (seminal codification)	1967 (foundational); 2008 (canonical handbook)
প্রবর্তক	Allan Nevins (Columbia University Oral History Project, 1948); earlier roots in folk-life and anthropological fieldwork	Robert K. Yin (systematised in Case Study Research, 1984)	Catherine Kohler Riessman (seminal synthesis, 2008); roots in Labov & Waletzky (1967)
ধরন	Qualitative research method	Qualitative research design	Qualitative interpretive method
মৌলিক উৎস	Ritchie, D. A. (2003). Doing Oral History: A Practical Guide (2nd ed.). Oxford University Press. ISBN: 978-0195176957	Yin, R.K. (2018). Case Study Research and Applications: Design and Methods (6th ed.). Sage. ISBN: 978-1506336169	Riessman, C.K. (2008). Narrative Methods for the Human Sciences. Sage.
অপর নাম	life history interview, oral testimony, spoken history, oral narrative research	Vaka Çalışması (Case Study), case study design, case study methodology	narrative inquiry, life history analysis, biographical research, Anlatı Analizi (Narrative Analysis)
সম্পর্কিত	6	5	6
সারসংক্ষেপ	Oral history is a qualitative research method that collects, preserves, and interprets first-person spoken accounts of past events, experiences, and social processes. By recording in-depth interviews with individuals who witnessed or participated in historical events, oral historians document perspectives that written records often exclude. The method bridges historical scholarship and social science, treating the narrator's memory, subjectivity, and voice as primary evidence rather than as limitations to be corrected.	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.	Narrative analysis is a qualitative research method, synthesised canonically by Catherine Kohler Riessman (2008), that examines how individuals storise their lived experiences and construct meaning through the telling. Drawing on life history, biographical, and narrative inquiry traditions, it treats the story itself — not just its content — as the unit of analysis, attending to temporal sequence, plot structure, and the social context in which a narrative is produced.