This document discusses pay-for-performance and performance-based pay. It defines pay-for-performance and examines theories of motivation that relate to it, such as expectancy theory and equity theory. It also explores behavioral theories like reinforcement theory. The document outlines criteria for effective performance measurement and various methods for evaluating performance. It analyzes pros and cons of performance-based pay systems and provides recommendations for implementation, including choosing appropriate rewards and effective performance appraisal systems. It concludes by discussing future directions for research on using performance systems to assess organizational health.