As a profession that works directly to improve the human condition, social work has made a special effort to integrate social science knowledge with its methods for identifying and dealing with human problems. This book is about the relationship between the systematic study of human problems and actions to improve them. The group of experts do not provide practical instructions; they do not provide advice on how to conduct evaluation studies or how to solve the problem of homelessness. Instead, the contributors examine the questions and issues that arise, and the knowledge gained, when...