Intraclass correlations: Uses in assessing rater reliability.
Shrout, Patrick E.; Fleiss, Joseph L.
Psychological Bulletin. Vol 86(2), Mar 1979, 420-428.
Abstract
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) (PsycINFO Database Record (c) 2008 APA, all rights reserved)