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The ad coefficient as a descriptive measure of the within-group agreement of ratings

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Kreuzpointner, Ludwig ; Simon, Patricia ; Theis, Fabian J.
Date of publication of this fulltext: 15 Dec 2009 15:50


The ad coefficient was developed to measure the within-group agreement of ratings. The underlying theory as well as the construction of the coefficient are explained. The ad coefficient ranges from 0 to 1, regardless of the number of scale points, raters, or items. With some limitations the measure of the within-group agreement of different groups and groups from different studies is directly ...


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