The most basic problem is that performance appraisals often don't accurately assess performance.
W. Edwards DemingIf you wait for people to come to you, you'll only get small problems. You must go and find them. The big problems are where people don't realize they have one in the first place.
W. Edwards DemingSub-optimization is when everyone is for himself. Optimization is when everyone is working to help the company.
W. Edwards Deming