The primary reason why performance evaluation is so difficult and why almost every appraisal system is flawed is that performance appraisal serves many different purposes, which are rarely well-served by the same methods of performance evaluation. The purposes for conducting performance evaluation include: 1. Evaluation to improve job matching. Employees must be given tasks and assigned to jobs based on their skills and abilities. Performance evaluation of workers gives their superiors a sense of what they can do and how well they do it.
2. Communication of organizational values and objectives. The individual employee sometimes has a poor sense of what the organization wants done. An employee may wish to satisfy the desires of the organization but cannot do so without some guidance. Performance evaluation can be a very powerful tool for showing employees what is valued and what is incidental. At the same time, performance evaluation can be a powerful means of communicating organizational culture and norms of behavior, with regard to both outcome (what is sought) and process (acceptable methods). leia todo o artigo
