Performance appraisal is not enough.
The authors suggest that performance planning and appraisal is a cooperative venture between you and your employees based on a genuine concern for each other's success. In this article they outline a performance appraisal approach that includes advance agreement between you and your employee about what is to be accomplished. Their advice will help you design a performance appraisal system that encourages employee participation and goal achievement.
Employee Performance Appraisal↗