Dossier de preuve de méthode

Scott's Pi

Scott's pi is a chance-corrected coefficient of intercoder agreement for two coders working on a nominal scale, introduced by William Scott in 1955 specifically for content analysis. It improves on raw percent agreement by subtracting the agreement two coders would reach by chance, where chance is estimated from a single pooled distribution of categories shared by both coders rather than from each coder's separate marginals.

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Scott's Pi Intercoder Reliability Coefficient

Dossier de méthode taxonomique · process-pipeline / communication

Scott, W. A. (1955). Reliability of content analysis: The case of nominal scale coding. Public Opinion Quarterly, 19(3), 321–325. · DOI 10.1086/266577
Cohen, J. (1960). A coefficient of agreement for nominal scales. Educational and Psychological Measurement, 20(1), 37–46. · DOI 10.1177/001316446002000104
Krippendorff, K. (2004). Content Analysis: An Introduction to Its Methodology (2nd ed.). Thousand Oaks, CA: Sage. · ISBN 9780761915454

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Méthodes apparentées

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Taxonomic bucketHolsti's Methodmachine-suggested · Relational suggestion, not evidence.Same method familyIntercoder Reliabilitymachine-suggested · Relational suggestion, not evidence.Taxonomic bucketKrippendorff's Alphamachine-suggested · Relational suggestion, not evidence.Same method familyManifest Content Analysismachine-suggested · Relational suggestion, not evidence.