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Review
. 1979 Mar;86(2):420-8.
doi: 10.1037//0033-2909.86.2.420.

Intraclass correlations: uses in assessing rater reliability

P E Shrout  1 , J L Fleiss
Affiliations
Review

Intraclass correlations: uses in assessing rater reliability

P E Shrout et al. Psychol Bull. 1979 Mar.

Abstract

Reliability coefficients often take the form of intraclass correlation coefficients. In this article, guidelines are given for choosing among six different forms of the intraclass correlation for reliability studies in which n target are rated by k judges. Relevant to the choice of the coefficient are the appropriate statistical model for the reliability and the application to be made of the reliability results. Confidence intervals for each of the forms are reviewed.

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