Work Performance in most organizations is determined in most cases by performance appraisal. The Implementation of performance appraisal on employee work performance and subsequently the derived feedback from the process have recently derived attention from both researchers and the management of any organization. However the knowledge of gaining the trust of employees as well as getting the appropriate feedback is seriously lacking. This thesis tried to review the attitude of employees to work as a result of performance appraisal within an organization. PURPOSE: To review the effects of performance appraisal on employee work performance and work effectiveness. METHOD: The primary data for this work was collected from the survey received from the employees of Unique Assurance Company and also secondary data was collected from journals, books and other research works KEYWORDS: Work Performance, Performance appraisal, employees attitude, motivation