Comparison of the Null Distributions of Weighted Kappa and the C Ordinal Statistic.

Cicchetti, Domenic V.; Fleiss, Joseph L.

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Peer reviewed

ERIC Number: EJ184185

Record Type: Journal

Publication Date: 1977

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Comparison of the Null Distributions of Weighted Kappa and the C Ordinal Statistic

Cicchetti, Domenic V.; Fleiss, Joseph L.

Applied Psychological Measurement, 1, 2, 195-201, Spr 77

The weighted kappa coefficient is a measure of interrater agreement when the relative seriousness of each possible disagreement can be quantified. This monte carlo study demonstrates the utility of the kappa coefficient for ordinal data. Sample size is also briefly discussed. (Author/JKS)

Descriptors: Mathematical Models, Rating Scales, Reliability, Sampling, Test Reliability

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