This article reviews important statistical methods for estimating the impact of interventions on outcomes in education settings, particularly programs that are implemented in field, rather than laboratory, settings. We begin by describing the causal inference challenge for evaluating program effects. Then four research designs are discussed that…

Reviewed efficacy of programs designed to improve academic competence. Outcomes of studies published from 1974-1978 were more favorable, based on box-score tabulation and an analysis of more than 12 well-controlled investigations. Evidence indicates that structured multicomponent interventions, incorporating study skills and self-control training,…

A bibliography of research on student attrition is presented. The 175 references, most of which are dated 1970 or later, are categorized under the following headings: research design, models of the attrition process, some historical perspectives, recent reviews of research--performance variables, empirical studies for 1970-1987, and intervention…