The Exact Variance of Weighted Kappa with Multiple Raters

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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Bibliographische Detailangaben
Veröffentlicht in:	Psychological reports 2007-10, Vol.101 (2), p.655-660
Hauptverfasser:	Mielke, Paul W., Berry, Kenneth J., Johnston, Janis E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Data Interpretation, Statistical Humans Models, Psychological Observer Variation Psychology - statistics & numerical data
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	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.
ISSN:	0033-2941 1558-691X
DOI:	10.2466/pr0.101.2.655-660