performance appraisal

Describe what you feel would be a good performance appraisal system –OR- do you feel that most performance appraisal systems serve little to no benefit to organizations and are a waste of time? Please support your rationale.

Real World Application: Are the employees of your organization non-union or union? Do you feel unions are still needed or do you feel unions have outlasted their usefulness thus jeopardizing the competitive aspect of U.S. economy?

No union in my workplace