... occur. Accumulated incidents then provide an objective basis for evaluations at appraisal time. The strength of critical incidents is enhanced when evaluator's document specific behavior in specific situations and ignore personality traits. • Graphic rating scales: Various traits or behavior are rated on incremental scales. For example, "initiative- could be rated on a 1 (= low) - 2 - 3 -4 - 5 (= high) scale. This technique is among the weakest ... when personality traits are employed. However, behaviorally anchored rating scales (BARS), defined as performance rating scales divided in...

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