The document discusses performance appraisals and their purposes. It explains that performance appraisals aim to maintain organizational productivity by linking individual performance to goals. They provide regular feedback and opportunities to discuss strengths and weaknesses. Common purposes of performance appraisals include determining individual compensation and rewards, documenting performance issues, and setting future goals. The document outlines different methods for conducting performance appraisals, such as using rating scales, essays, or management by objectives. It also discusses potential issues like errors in ratings and challenges with the appraisal process.