Intraclass correlations: Uses in assessing rater reliability

Reliability coefficients often take the form of intraclass correlation coefficients. In this article, guidelines are given for choosing among 6 different forms of the intraclass correlation for reliability studies in which n targets are rated by k judges. Relevant to the choice of the coefficient ar...

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Bibliographic Details
Published in:	Psychological bulletin Vol. 86; no. 2; pp. 420 - 428
Main Authors:	Shrout, Patrick E, Fleiss, Joseph L
Format:	Journal Article
Language:	English
Published:	United States American Psychological Association 01-03-1979 American Psychological Association, etc
Subjects:	Human Humans Models, Statistical Rating Reproducibility of Results Statistical Correlation Statistical Reliability
Online Access:	Get full text
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Summary:	Reliability coefficients often take the form of intraclass correlation coefficients. In this article, guidelines are given for choosing among 6 different forms of the intraclass correlation for reliability studies in which n targets are rated by k judges. Relevant to the choice of the coefficient are the appropriate statistical model for the reliability study and the applications to be made of the reliability results. Confidence intervals for each of the forms are reviewed. (23 ref)
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-3 content type line 23 ObjectType-Review-1
ISSN:	0033-2909 1939-1455
DOI:	10.1037/0033-2909.86.2.420