The What Works Clearinghouse (WWC) is an initiative of the U.S. Department of Education's Institute of Education Sciences (IES), which was established under the Education Sciences Reform Act of 2002. It is an important part of IES's strategy to use rigorous and relevant research, evaluation, and statistics to improve the nation's education system.…

The What Works Clearinghouse (WWC) systematic review process is the basis of many of its products, enabling the WWC to use consistent, objective, and transparent standards and procedures in its reviews, while also ensuring comprehensive coverage of the relevant literature. The WWC systematic review process consists of five steps: (1) Developing…

This guide for district and school leaders shows how to recognize opportunities to embed randomized controlled trials (RCTs) into planned policies or programs. Opportunistic RCTs can generate strong evidence for informing education decisions--with minimal added cost and disruption. The guide also outlines the key steps to conduct RCTs and responds…

This document provides guidance about how to describe studies and report their findings in a way that is clear, complete, and transparent. This document does not include information about how studies are judged against What Works Clearinghouse evidence standards. For information about What Works Clearinghouse evidence standards, please refer to…

This "What Works Clearinghouse Procedures and Standards Handbook (Version 3.0)" provides a detailed description of the standards and procedures of the What Works Clearinghouse (WWC). The remaining chapters of this Handbook are organized to take the reader through the basic steps that the WWC uses to develop a review protocol, identify…

Progress in International Reading Literacy Study (PIRLS) provides international comparative data about students' reading achievement after four years of primary schooling, while also measuring trends over time, monitoring curricular implementation, and identifying promising instructional practices. Conducted on a regular 5-year cycle, PIRLS has…

With its critical assessments of scientific evidence on the effectiveness of education programs, policies, and practices (referred to as "interventions"), and a range of products summarizing this evidence, the What Works Clearinghouse (WWC) is an important part of the Institute of Education Sciences' strategy to use rigorous and relevant…

This guide offers a straightforward method for gathering and reporting student survey data on substance use-related problems. It will be of particular interest to program directors for AOD prevention programs on campus, or to members of a campus-based task force or campus and community coalition that is charged with assessing the need for new…

This guide summarizes "Effective Programs in Elementary Mathematics: A Best-Evidence Synthesis" and "Effective Programs in Middle and High School Mathematics: A Best-Evidence Synthesis," two research reviews conducted by Johns Hopkins University's Center for Research and Reform in Education. The purpose of the reviews was to evaluate the…

Three basic evaluation styles are discussed: (1) Process approach--organization, comportment and presentation; (2) Presage--qualifications, personal qualities, physical appearance; (3) Product--learning outcomes. The pros and cons of these evaluation styles are presented, and suggestions are made to make evaluation more useful in determining…

Discusses the two main approaches used to train managers: attendance at management seminars and on-the-job coaching. Describes a study to determine which method is more effective. Training content of the study was knowledge of skill in using the management-by-objectives system. (MF)

The Transition Checklist was developed to compare characteristics of mainstream settings with performance levels of students entering those settings. The checklist assesses classroom instructional methods and materials, course content, evaluation techniques, and classroom management; interpersonal/social relations; and related school environments,…

Increasing demands for evidence-based early childhood services and the need by policymakers to know whether a program is effective or whether it warrants a significant investment of public and/or private funds--coupled with the often-politicized debate around these topics--make it imperative for policymakers and civic leaders to have independent…

Use of multiple data sources in evaluation, or congruence analysis, promotes effective teaching. Data are systematically compared from classroom observation, teacher self-analysis, and student descriptions. A set is produced by scaling data from criteria and source. Diagnoses with suggested action are most useful in improving instruction. (CJH)

This guide is designed as a resource for leaders and evaluators of K-12 online learning programs. In this guide, the term "online learning" is used to refer to a range of education programs and resources in the K-12 arena, including distance learning courses offered by universities, private providers, or teachers at other schools;…