The exact variance of weighted kappa with multiple raters |
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| Authors: | Mielke Paul W Berry Kenneth J Johnston Janis E |
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| Institution: | Department of Statistics, Colorado State University, Fort Collins, CO 80523-1877, USA. mielke@lamar.colostate.edu |
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| Abstract: | Weighted kappa described by Cohen in 1968 is widely used in psychological research to measure agreement between two independent raters. Everitt then provided the exact variance for weighted kappa for two raters. In this paper, Everitt's exact variance is extended to three or more raters. |
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