Final answer:
Performance appraisals are periodic reviews and assessments of employee performance during a given period. They provide feedback and set goals for the future.
Step-by-step explanation:
Performance appraisals are periodic reviews and assessments of employee performance during a given period. They involve a formal process and a face-to-face meeting between the employee and their supervisor. The purpose of performance appraisals is to assess job performance, provide feedback, identify areas of improvement, and set goals for the future.