This document discusses key performance indicators (KPIs) for performance appraisal. It provides information on developing KPIs, including defining objectives, identifying key result areas and tasks, and determining how to measure results. The document lists top materials for KPIs and describes different types of KPIs such as process, input, output, leading, lagging, outcome, qualitative, and quantitative KPIs. It also discusses common mistakes in creating KPIs, such as having too many KPIs or KPIs that do not change based on goals.