The What Works Clearinghouse (WWC) evaluates research studies that look at the effectiveness of education programs, products, practices, and policies, which the WWC calls "interventions." Many studies of education interventions make claims about impacts on students' outcomes. Some studies have designs that enable readers to make causal…

The purpose of this Guide is to advise researchers, policymakers, and others on when it is possible to conduct a high-quality randomized controlled trial in education at reduced cost. Well-designed randomized controlled trials are recognized as the gold standard for evaluating the effectiveness of an intervention (i.e., program or practice) in…

The Service Delivery Assessment (SDA) model is a human services evaluation tool which offers a viable alternative to more traditional approaches and is appropriate for small local evaluations as well as large national studies. There are five phases to an SDA study: assignment, pre-assessment, design, analysis, and communication of the findings.…

Although a necessary component of good program management and accountability, monitoring data do not usually provide answers to questions about whether, how, and why a specific program works. More in-depth, systematic inquiry is needed to do this. In this article, the authors focus on the evaluation of human immunodeficiency virus (HIV)-prevention…

What many educators see as the assistance of a program evaluation is often an intrusion into the governance of the program being evaluated. Redistribution of authority and control occur not only because evaluation findings support one constituency more than another, but the very act of evaluating affords protective status to the initiators of the…

Data from two studies on evaluation budgeting practices are presented. In the first study, estimated budget figures are provided for formative and summative evaluations by 29 state education agency evaluators. In the second study, initial budget figures, final costs, and study characteristics are abstracted from the records of 85 evaluations…

This is the first report on the evaluation of the Inquiry Based Science and Technology Education Program (IN-STEP), an innovative and ambitious science education initiative for lower secondary schools being undertaken by a public-private partnership in Thailand funded by MSD-Thailand, an affiliate of Merck & Co. IN-STEP is a public-private…

The study summarizes discussions and conclusions of the Regional Workshop on Monitoring and Evaluation of Rural Development Projects in East Africa (Nairobi, Kenya, April 1979), whose purpose was to share lessons learned from field experiences in managing information for rural development. An initial section summarizes information in papers…