The document discusses various techniques for performance appraisal. It begins by defining performance appraisal and outlining its key uses and benefits. It then describes several traditional appraisal methods including ranking, paired comparison, forced distribution, forced choice, checklist, and critical incident. It also discusses newer methods like Management by Objectives, Behaviorally Anchored Rating Scales, assessment centers, 360 degree feedback, and cost accounting. The document concludes by noting some common limitations of performance appraisal approaches.