Performance Evaluation
Because objective measures of performance are not available for many jobs, subjective (for example, supervisor) ratings play a central role in evaluating employee performance. Even when objective measures are available, research has repeatedly shown that ratings of performance are only modestly related to objective measures of performance (Bommer, Johnson, Rich, Podsakoff, & Mackenzie, 1995; Cascio & Valenzi, 1978; Heneman, 1986; Kirchner, 1960; Seashore, Indik, & Georgopoulos, 1960). Although this likely reflects limitations associated with ratings, it also likely reflects problems with objective measures such as criterion deficiency and contamination. Wexley and Klimoski (1984) suggested that there is no “true” job ...
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