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Sample Size Determinations for the Two Rater Kappa Statistic

Published online by Cambridge University Press:  01 January 2025

V. F. Flack,
A. A. Afifi,
P. A. Lachenbruch and
H. J. A. Schouten
V. F. Flack*
Affiliation:
Division of Biostatistics, UCLA School of Public Health
A. A. Afifi
Affiliation:
Division of Biostatistics, UCLA School of Public Health
P. A. Lachenbruch
Affiliation:
Division of Biostatistics, UCLA School of Public Health
H. J. A. Schouten
Affiliation:
Department of Medical Informatics and Statistics, University of Limburg
*
Reprint requests should be sent to Virginia F. Flack, UCLA School of Public Health, Division of Biostatistics, Los Angeles, CA 90024.
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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, κ. 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.

Keywords

interrater agreementkappa statistic

Information

Type
Original Paper
Information
Psychometrika , Volume 53 , Issue 3 , September 1988, pp. 321 - 325
Copyright
Copyright © 1988 The Psychometric Society

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References

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