手法を比較

	比較法ドグマティック法学研究	法的コンテンツ分析
分野	フィールド調査法	フィールド調査法
系統	Process / pipeline	Process / pipeline
提唱年	19th century origins; modern systematic form 1960s–1998	1940s–1970s (applied systematically to legal texts)
提唱者	Rooted in classical comparative law (Anselm von Feuerbach, early 19th c.); systematised by Zweigert & Kötz (1998)	Interdisciplinary; foundational content analysis by Harold Lasswell (1940s); applied to legal texts by empirical legal scholars from the 1970s onward
種類	Qualitative legal research design	Systematic qualitative-quantitative text analysis
原典	Zweigert, K., & Kötz, H. (1998). An Introduction to Comparative Law (3rd ed., T. Weir, Trans.). Oxford University Press. ISBN: 978-0198268598	Krippendorff, K. (2004). Content Analysis: An Introduction to Its Methodology (2nd ed.). Sage Publications. ISBN: 978-0761915454
別名	comparative-doctrinal method, cross-jurisdictional doctrinal analysis, comparative black-letter law research, CDLR	LCA, legal text analysis, jurimetric content analysis, statutory content analysis
関連	6	6
概要	Comparative doctrinal legal research systematically identifies, expounds, and compares the legal rules, principles, and doctrines governing the same problem across two or more jurisdictions. It combines the internal rigour of doctrinal analysis — mapping the authoritative sources of a single legal system — with the external perspective of comparative law, asking whether different legal systems solve the same social problem in similar or divergent ways and why.	Legal content analysis applies the systematic procedures of content analysis to legal texts — statutes, regulations, judicial opinions, treaties, and legal commentaries — in order to identify patterns, themes, and trends across a corpus of legal material. It bridges qualitative legal scholarship and quantitative social-science methods, enabling researchers to draw reproducible, evidence-based conclusions about how law is written, applied, or has changed over time.