手法を比較

	比較法分析 ― 諸法域を横断する法比較	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	Late 19th century; formalised 1900	1940s–1970s (applied systematically to legal texts)
提唱者	Gottfried Wilhelm Leibniz (early conceptualisation); Raymond Saleilles and Édouard Lambert (modern discipline, 1900 Paris Congress)	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 method	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 law, legal comparison, comparative jurisprudence, CLA	LCA, legal text analysis, jurimetric content analysis, statutory content analysis
関連	6	6
概要	Comparative legal analysis is a structured research method that examines how two or more legal systems — whether national, regional, or supranational — address a common legal problem. By placing rules, doctrines, and judicial decisions side by side, researchers identify convergences, divergences, and the underlying societal, historical, and political forces that shape legal solutions. The method is foundational to law reform, harmonisation efforts, treaty drafting, and academic legal scholarship.	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.