This document provides an overview of performance appraisal systems. It discusses the objectives of performance appraisal, which include providing a basis for promotion/transfer/termination decisions, enhancing employee effectiveness, aiding in training and development programs, and improving communication. It also outlines the steps to developing a performance appraisal system, such as determining the overall approach, deciding who will be covered, setting up a project team, and defining the performance management processes and documentation. The key purposes of performance appraisal are identified as remedial, maintenance, and development.