This paper describes the research and evaluation efforts of the Navy Substance Abuse Prevention Program at the University of Arizona. The importance and usefulness of formative and summative evaluations are discussed and specific evaluation tasks are identified. The first of these tasks is associated with personnel selection; the functions and…

Although use is a core construct in the field of evaluation, neither the change processes through which evaluation affects attitudes, beliefs, and actions, nor the interim outcomes that lie between the evaluation and its ultimate goal--social betterment--have been sufficiently developed. We draw a number of these change mechanisms, such as…