The document discusses issues with performance appraisal systems and ways they can be improved. It notes that studies have found widespread dissatisfaction among employees and managers with existing appraisal systems. However, the document also states that performance appraisals can be made more effective by precisely defining performance dimensions, incorporating feedback to address situational factors, and using multiple raters to reduce biases. It provides recommendations for designing an appraisal system, such as determining the measurement approach, rater selection, and process characteristics. The goal is to create a system that can both accurately evaluate performance and support employee development.