Global competition, technological advancement, and traditional workplace are raising the pressures on all employees to improve performance. Performance appraisal is the most frequently employed organization strategy to enhance employee’s performance of assigned duties and responsibilities. Effective performance appraisal is crucial in enhancing organizations competitive position and improve morale, teamwork, problem solving, succession planning and decision making capabilities. The success of the appraisal process depends on the supervisor's willingness to complete a constructive and objective appraisal and on the employee's willingness to respond to constructive suggestions and to work with the supervisor to reach future goals. This book provides coverage on performance appraisal techniques of SDSC and ASDC, and its effectiveness.