Estimating Rater Agreement in 2 x 2 Tables: Correction for Chance and Intraclass Correlation
Year: 1993
Type: article
Abstract: Many estimators of the measure of agreement between two dichotomous ratings of a person have been proposed. The results of Fleiss (1975) are extended, and it is shown that four estimators— Scott's (1955) π coefficient, Cohen's (1960) k, Maxwell & Pilliner's (1968) r,,, and Mak's (1988) p—are interpretable both as chance-corrected measures of agreement and as intraclass correla tion coefficients for different ANOVA models. Rela tionships among these estimators are established for finite samples. Under Kraemer's (1979) model, it is shown that these estimators are equivalent in large samples, and that the equations for their large sample variances are equivalent.
Authors: Nicole J-M. Blackman, John J. Koval
Institution: Western University
Language: English
Subfield: Statistics, Probability and Uncertainty
Field: Decision Sciences
Domain: Social Sciences
Open Access status: green
OpenAlex ID: W2086573705