This chapter discusses performance measurement and management in organizations. It outlines the benefits of performance measurement, such as performance planning, increased effectiveness of supervision, and improved employee morale. However, it also notes pitfalls like negative attitudes towards measurement. The chapter emphasizes that positive, immediate, and certain consequences are the most powerful motivators for employees' performance and behavior. Overall, it stresses that good performance management involves defining goals, monitoring rewards systems, and cultivating a culture where people feel safe and rewarded for change.