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.

/pdf/intraclass-correlations-uses-in-assessing-rater-reliability-1elowl8sg3.pdf

Intraclass correlations: uses in assessing rater reliability.

Although intraclass correlation coefficients (ICCs) are commonly used in behavioral measurement, psychometrics, and behavioral genetics, procedures available for forming inferences about ICCs are not widely known. Following a review of the distinction between various forms of the ICC, this article p

https://psycnet.apa.org/journals/met/1/1/30.pdf

Forming inferences about some intraclass correlation coefficients.

Two data sources--self-reports and peer ratings--and two instruments--adjective factors and questionnaire scales--were used to assess the five-factor model of personality. As in a previous study of self-reports (McCrae & Costa, 1985b), adjective factors of neuroticism, extraversion, openness to experience, agreeableness-antagonism, and conscientiousness-undirectedness were identified in an analysis of 738 peer ratings of 275 adult subjects. Intraclass correlations among raters, ranging from .30 to .65, and correlations between mean peer ratings and self-reports, from .25 to .62, showed substantial cross-observer agreement on all five adjective factors. Similar results were seen in analyses of scales from the NEO Personality Inventory. Items from the adjective factors were used as guides in a discussion of the nature of the five factors. These data reinforce recent appeals for the adoption of the five-factor model in personality research and assessment.

/pdf/validation-of-the-five-factor-model-of-personality-across-574uftu82i.pdf

Validation of the five-factor model of personality across instruments and observers.

A procedure for estimating the reliability of sets of ratings in terms of the intraclass correlation coefficient is discussed The procedure is based upon the analysis of variance and the estimatio

The intraclass correlation coefficient as a measure of reliability.

http://www-personal.umich.edu/~gonzo/papers/shapewf.pdf

On the Shape of the Probability Weighting Function

Intraclass Correlation and the Analysis of Variance

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Intraclass Correlation and the Analysis of Variance