手法を比較

	定性比較分析法	コンテンツ分析	Grounded Theory
分野	質的手法	質的手法	質的研究
系統	Process / pipeline	Process / pipeline	Process / pipeline
提唱年	1967	Systematised through Krippendorff's methodology work; 4th edition 2018	1967
提唱者	Barney G. Glaser and Anselm L. Strauss	Klaus Krippendorff (systematic formulation); roots in early 20th-century communications research	Barney Glaser and Anselm Strauss
種類	Qualitative research method	Qualitative / mixed-method research technique	Method
原典	Glaser, B. G., & Strauss, A. L. (1967). The Discovery of Grounded Theory: Strategies for Qualitative Research. Aldine.	Krippendorff, K. (2018). Content Analysis: An Introduction to Its Methodology (4th ed.). Sage. ISBN: 978-1506395661	Glaser, B. G., & Strauss, A. L. (1967). The discovery of grounded theory: Strategies for qualitative research. Aldine.
別名	CCM, constant comparison, constant comparative analysis, comparative constant analysis	İçerik Analizi, systematic content coding, quantitative content analysis	GT, Grounded Theory Approach
関連	6	5	3
概要	The Constant Comparative Method (CCM) is a systematic qualitative analysis procedure in which every newly coded incident is immediately compared with all previously coded incidents in the same category. Introduced by Glaser and Strauss in their 1967 grounded theory framework, CCM drives theory development by cycling continuously between data collection and analysis, progressively refining categories until theoretical saturation is reached. Though closely associated with grounded theory, the method has been widely adopted as a stand-alone analytic strategy across qualitative traditions.	Content analysis is a systematic research technique for reducing text, visual, or media material into coded categories so that patterns can be counted, compared, and interpreted. Formalised by Klaus Krippendorff in his widely cited methodology textbook (latest edition 2018), the method sits at the boundary of qualitative and quantitative inquiry: it imposes structured, replicable coding on inherently meaning-laden material.	Grounded Theory (GT) is a systematic qualitative research methodology in which theory emerges directly from data through iterative analysis, rather than being imposed before data collection. Developed by Barney Glaser and Anselm Strauss in 1967, GT prioritizes generating explanatory frameworks grounded in evidence.