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Qualitative Comparative Analysis

Qualitative Comparative Analysis (QCA) is a set-theoretic, configurational method that identifies which combinations of conditions are necessary or sufficient for an outcome across a set of cases. Developed by Charles Ragin, it treats each case as a configuration of set memberships, builds a truth table of all logically possible combinations, and uses Boolean algebra to minimize them into the simplest expressions that account for the outcome. It bridges qualitative case knowledge and cross-case generalization, embracing causal complexity through conjunctural causation, equifinality, and asymmetry.

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Fontes

  1. Ragin, C. C. (1987). The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies. Berkeley: University of California Press. ISBN: 9780520058347
  2. Ragin, C. C. (2008). Redesigning Social Inquiry: Fuzzy Sets and Beyond. Chicago: University of Chicago Press. ISBN: 9780226702759
  3. Schneider, C. Q., & Wagemann, C. (2012). Set-Theoretic Methods for the Social Sciences: A Guide to Qualitative Comparative Analysis. Cambridge: Cambridge University Press. ISBN: 9781107013520

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ScholarGate. (2026, June 22). Qualitative Comparative Analysis (Set-Theoretic Configurational Method). ScholarGate. https://scholargate.app/pt/political-science/qualitative-comparative-analysis

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ScholarGateQualitative Comparative Analysis (Qualitative Comparative Analysis (Set-Theoretic Configurational Method)). Recuperado em 2026-06-24 de https://scholargate.app/pt/political-science/qualitative-comparative-analysis · Conjunto de dados: https://doi.org/10.5281/zenodo.20539026