The supervisor who comes to the annual review period and realizes that he or she had better get started has already failed. Appraisal is a yearlong endeavor, and no amount of last-minute work can make up for the preparation that a sound evaluation entails.
The process should comprise a minimum of four elements: initial goal setting, monitoring and data availability, continuous feedback, and annual assessment. Because there are few jobs with clear, comprehensive, objective output measures that eliminate the need for judgment, the most widely used evaluation methods are judgmental in nature.
Only the most familiar are examined here, and even these, albeit in differing degrees, can produce either deficient evaluations (not all pertinent factors are considered) or contaminated evaluations (irrelevant considerations are included).
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