RATER SOURCE EFFECTS ARE ALIVE AND WELL AFTER ALL

Recent research has questioned the importance of rater perspective effects on multisource performance ratings (MSPRs). Although making a valuable contribution, we hypothesize that this research has obscured evidence for systematic rater source effects as a result of misspecified models of the structure of multisource performance ratings and inappropriate analytic methods. Accordingly, this study provides a reexamination of the impact of rater source on multisource performance ratings by presenting a set of confirmatory factor analyses of two large samples of multisource performance rating data in which source effects are modeled in the form of second-order factors. Hierarchical confirmatory factor analysis of both samples revealed that the structure of multisource performance ratings can be characterized by general performance, dimensional performance, idiosyncratic rater, and source factors, and that source factors explain (much) more variance in multisource performance ratings whereas general performance explains (much) less variance than was previously believed. These results reinforce the value of collecting performance data from raters occupying different organizational levels and have important implications for research and practice.