Briefly Describe the Most Common Rating Errors in Performance Appraisal

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The following are the rating errors that commonly occur in performance appraisals:
Contrast error occurs when people are compared against one another rather than against some objective standards.A rater comparing an average performer to several other relatively weak performers may rate the average performer much higher because of contrast error.
A distributional error occurs when the rater tends to use only one part of the rating scale.The rater may exhibit severity,leniency,or central tendency distributional error.
A halo error occurs when the rater allows one positive performance characteristic to positively influence the ratings on all other aspects of performance
A horns error occurs when a manager downgrades other aspects of an employee's performance because of a single performance dimension.

Briefly Describe the Most Common Rating Errors in Performance Appraisal

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