Managers don't like giving appraisals, and employees don't like getting them. Perhaps they're not liked because both parties suspect what the evidence has proved for decades: Traditional performance appraisals don't work.
W. Edwards DemingThe source of innovation is freedom. All we have - new knowledge, invention - comes from freedom. Discoveries and new knowledge come from freedom. When somebody is responsible only to himself, [has] only himself to satisfy, then you'll have invention, new thought, now product, new design, new ideas.
W. Edwards Deming