Good evaluation requires that evaluation efforts themselves be evaluated. Many things can and often do go wrong in evaluation work. Accordingly, it is necessary to check evaluations for problems such as bias, technical error, administrative difficulties, and misuse. Such checks are needed both to improve ongoing evaluation activities and to assess…

Reviews empirical studies that have been conducted on program evaluation in large United States school districts. Provides information for use in assessing and improving evaluation studies and systems at the precollege level and in providing direction for further research. Sixty-seven footnotes are appended. (IW)