Comprehensive yet accessible, this text provides a practical introduction to the skills, attitudes, and methods required to assess the worth and value of human services offered in public and private organizations in a wide range of fields. Students are introduced to the need for such activities, the methods for carrying out evaluations, and the essential steps in organizing findings into reports. The text focuses on the work of people who are closely associated with the service to be evaluated, and is designed to help program planners, developers, and evaluators to work with program staff members who might be threatened by program evaluation.