It is argued that time generalizability exists independent of population and situation generalizability, although the three may interact. Problems associated with sampling and randomization efficacy over time are discussed. (Author/GK)

Written in response to George Fairweather's position concerning the use of experimental studies in evaluation, this paper highlights considerations in deciding when experimental procedures are feasible. The current debate on the use of experimental methods in evaluation is reviewed. (Author/GK)

A three-dimensional framework presents faculty, student, and curriculum variables critical to the implementation and outcomes of multicultural programs. The framework emerged from the formative evaluation of a new interdisciplinary social science curriculum and guided the design of the national field test of that curriculum in community college…

This study of evaluation utilization identified organizational, political, and practical arrangements facilitating the wide use of "The Interim Report Evaluation" in policymaking for California's Early Childhood Education Program. In a program fraught by tensions, where evaluations had been political tools, this evaluation was special.…