Why do we use competency in Performance appraisal?

Just want to add performance apraisal affects the career prospects of a large number of people. Hence the appraisor has tobe a comptent person. he should bot be biased. Should not have the  hallo or vice effect. Should be a neutral person.

Affects a major part of one's job:

1. Coorelates with performance on the job.

2. Measure against well accepted standards.

3. Address employees development areas.

Agree with all,,,,

I agree with the provided answers.