Sample size determinations for the two rater kappa statistic |
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Authors: | V. F. Flack A. A. Afifi P. A. Lachenbruch H. J. A. Schouten |
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Affiliation: | (1) Department of Medical Informatics and Statistics, University of Limburg, Belgium;(2) Division of Biostatistics, UCLA School of Public Health, 90024 Los Angeles, CA |
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Abstract: | This paper gives a method for determining a sample size that will achieve a prespecified bound on confidence interval width for the interrater agreement measure, . The same results can be used when a prespecified power is desired for testing hypotheses about the value of kappa. An example from the literature is used to illustrate the methods proposed here. |
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Keywords: | interrater agreement kappa statistic |
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