As evidence-based reform becomes increasingly important in educational policy, it is becoming essential to understand how research design might contribute to reported effect sizes in experiments evaluating educational programs. The purpose of this study was to examine how methodological features such as types of publication, sample sizes, and…

The nature of experimental designs in the evaluation of educational programs is addressed in this commentary on the evaluation of the Emergency School Aid Act and a paper detailing that evaluation (TM 503 672). (JKS)

Practical methods for implementing true experimental designs in evaluation settings in which such designs are rarely used are presented. Particular attention is paid to educational settings. (Author/JKS)

Experimental design has only limited utility inthe field of educational evaluation and, in general, the methodology of the former does not equal the methodology of the latter; in fact, experimental design plays a limited role in the total framework of educational evaluation. Experimental design does have potential utility in the areas of input and…

Discusses the need for awareness of real and potential problems in educational evaluation approaches, kinds of problems there are with true experimental designs and with quasi-experimental designs, and the criteria applied by the Joint Dissemination Review Panel to its review of educational programs. (MF)

The culmination of many years of implementing and analyzing the Bank Street model in Project Follow Through, this paper provides an extensive discussion of controversial and problematic issues related to the program and reviews what has been learned at Bank Street as a result of experience with Follow Through. Recommendations for program…

After a brief introduction indicating the value of the first Follow Through evaluation, this document offers ideas about how a new wave of Follow Through approaches should be evaluated. The discussion is based on the premise that the form of an evaluation must be derived from the questions for which answers are sought, the audience(s) to whom the…

Problems with conducting randomized field experiments in education are explored. Focus is on problems encountered while evaluating a group of dropout prevention projects. Project planners were asked to manipulate the subject eligibility criteria until they identified as eligible three to four times as many students as they could serve. They were…

Two hundred first grade children participated in an experimental program involving innovative curricula and instructional techniques. A pretest-posttest method of instruction, employing sequenced and structured learning activities, enabled each child to progress at an individual rate and was supplemented by a readiness program. Evaluation of the…