Describe at least 4 reasons a company would use a performance evaluation system. Solution 1. Base the performance appraisal on an analysis of the job. 2. De?ne your performance dimensions in behavioral terms and support assessments with observable, objective evidence. 3. Keep things simple. 4. Monitor and audit for discrimination. 5. Train raters to assess performance accurately and to conduct effective appraisal discussions. 6. Provide for upper-management review before the appraisal is reviewed with the individual. 7. Provide some appeal mechanism..