A discussion of current issues in evaluation, related to society's expectation that evaluation is based on scientific authority, is followed by an exploration of concepts of "validity" and "values." The role of the evaluator is increasingly involved in issues of ethics and social justice. (SLD)

The traditional view that an activity's comparative impact on collective welfare ought to guide resource allocation is refuted. A paradigm of a multisystem society with the non-fungibility of investment resources an essential issue in project appraisal is presented. (SLD)

Bank's report of a long-term evaluation of the Bureau of Jewish Education, discussed in the previous article, is reviewed and commented on from the following points of views: (1) effects of local ecology on evaluation activities; (2) implications of the case study for the role and training of evaluators; and (3) unemphasized aspects of the case…

Argues that teacher in-service education programs should adopt an explicit standard for programs, value effects of in-service programs on teachers' needs for professional experiences, appreciate differences arising among schools and teachers in efforts to change educational practices, take a longitudinal perspective, and expand evaluation into the…