ch. 1. Why appraise performance? -- ch. 2. Appraising the performance of police officers -- ch. 3. Designing and using an effective police performance appraisal system -- ch. 4. Comparative study of the performance appraisal systems in Ankara and Toledo police departments -- ch. 5. Police attitudes toward performance appraisal systems : a survey of Ankara and Toledo police departments -- ch. 6. Conclusions.