Unintended effects of evaluation are discussed, with reference to the Hawthorne Effect, where unintended effects overshadow the manipulations controlled by researchers. Unintended effects are categorized as (1) affective reactions; (2) political dimensions; (3) importance of individual differences; and (4) expectations concerning evaluation.…

The author's optimistic view of evaluation in the future includes increased utilization, especially in the private sector; more professionalization, with potential for conflict; more academic program development; more use in policy; increase in the use of complex methods; and more involvement in program development. (SLD)

Conjectures about the future use of controlled randomized experiments for planning and evaluating social programs suggest that they will frequently involve institutions and organizations rather than individuals and that their applications and the publicity surrounding them will increase as they are used in new and controversial ways. (SLD)

In spite of many inherent problems, impact evaluation should remain an integral part of program evaluation, both because impact evaluation brings its budget justification with it, and because its focus on causal hypotheses is an essential part of evaluation. Methodology based on the author's body of work is reviewed. (SLD)

The evolution of the field of program evaluation is discussed, assuming that current major trends will continue, especially the trend toward theory-driven evaluation. Participating in planning without compromising evaluators' integrity will be an important and challenging task for the future. (SLD)

Empowerment evaluation is the use of evaluation concepts and techniques to foster self-determination, focusing on helping people help themselves. This collaborative evaluation approach requires both qualitative and quantitative methodologies. It is a multifaceted approach that can be applied to evaluation in any area. (SLD)

This case study describes an unsuccessful research proposal submitted in response to a request for applications for projects to implement and evaluate up to 18 innovative programs for homeless persons with alcohol or other drug problems. This unsuccessful proposal reflects several tensions inherent in evaluation research. (SLD)

A case study illustrates the ways in which local reactions to a program evaluation directly threaten its validity, and shows that not all participants in a qualitative evaluation study understand or defer to the commitments of democratic evaluation. Ethical concerns in program evaluation are considered. (SLD)

This paper summarized contributors' ideas about evaluation as a field and where it is going. Topics discussed were qualitative versus quantitative debate; evaluation's purpose; professionalization; program failure; program development; evaluators as advocates; evaluation knowledge; evaluation expansion; and methodology and design. (SLD)