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Vanbelle, Sophie; Albert, Adelin – Psychometrika, 2009
We propose a coefficient of agreement to assess the degree of concordance between two independent groups of raters classifying items on a nominal scale. This coefficient, defined on a population-based model, extends the classical Cohen's kappa coefficient for quantifying agreement between two raters. Weighted and intraclass versions of the…
Descriptors: Interrater Reliability, Weighted Scores, Congruence (Psychology), Rating Scales