The most basic problem is that performance appraisals often don't accurately assess performance.
W. Edwards DemingA system must be managed. It will not manage itself. Left to themselves in the Western world, components become selfish, competitive. We cannot afford the destructive effect of competition.
W. Edwards DemingEighty percent of American managers cannot answer with any measure of confidence these seemingly simple questions: What is my job? What in it really counts? How well am I doing?
W. Edwards DemingEliminate slogans, exhortations, and targets for the work force asking for zero defects and new levels of productivity. Such exhortations only create adversarial relationships, as the bulk of the causes of low quality and low productivity belong to the system and thus lie beyond the power of the work force
W. Edwards Deming