Choosing the best index for the average score intraclass correlation coefficient

Gwowen Shieh*

*此作品的通信作者

研究成果: Article同行評審

80 引文 斯高帕斯(Scopus)

摘要

The intraclass correlation coefficient (ICC)(2) index from a one-way random effects model is widely used to describe the reliability of mean ratings in behavioral, educational, and psychological research. Despite its apparent utility, the essential property of ICC(2) as a point estimator of the average score intraclass correlation coefficient is seldom mentioned. This article considers several potential measures and compares their performance with ICC(2). Analytical derivations and numerical examinations are presented to assess the bias and mean square error of the alternative estimators. The results suggest that more advantageous indices can be recommended over ICC(2) for their theoretical implication and computational ease.

原文English
頁(從 - 到)994-1003
頁數10
期刊Behavior Research Methods
48
發行號3
DOIs
出版狀態Published - 1 9月 2016

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