In this revision of a student-friendly introduction to program evaluation, the authors, veteran instructors and textbook authors, have updated all of the content and added a new chapter on different philosophies of evaluation; they have also included more material on data collection methods and instruments. Readers will achieve a sound conceptual understanding of how evaluation can be used in day-to-day services offered to clients and how to demonstrate accountability. The book is eminently suited to graduate social work program evaluation courses, social work administration courses, and program planning courses