Publications: What Works Clearinghouse

Our goal is to provide educators with the information they need to make evidence-based decisions. Access this information through:

practice guides provide recommendations for educators
intervention reports summarize findings on an intervention
single study reviews assess one research study of findings on an intervention
quick reviews of recent research
reference resources:
- the Procedures and Standards Handbook
- our Review Protocols

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Showing 1 to 10 of 55 results. Next 10

WWC Review of the Report “Enhancing the Efficacy of Teacher Incentives through Loss Aversion: A Field Experiment”
Single Study Review | May 2013
The study examined whether offering different types of monetary incentives to teachers affected students’ math achievement. Researchers analyzed student and teacher data from nine K–8 public schools in Chicago Heights,…
WWC Review of the Report “The Effects of School Vouchers on College Enrollment: Experimental Evidence from New York City”
Single Study Review | May 2013
The study examined the effects of the New York School Choice Scholarships Foundation Program (SCSF) on college enrollment outcomes. The program provided private school vouchers to public school students from low-income families.…
WWC Review of the Report “Effects of Problem Based Economics on High School Economics Instruction”
Single Study Review | May 2013
Problem Based Economics is a curriculum that uses real-world examples to help students actively learn critical thinking and problem-solving skills. This study used a random assignment design to investigate the impact of…
WWC Review of the Report “The Effects of POWERSOURCE© Intervention on Student Understanding of Basic Mathematical Principles”
Single Study Review | April 2013
The study examined the impact of POWERSOURCE©, an intervention consisting of formative assessments, instructional resources, and professional development designed to help teachers provide individual instruction…
WWC Review of the Report “Findings from a Randomized Experiment of Playworks: Selected Results from Cohort 1”
Single Study Review | April 2013
The study examined whether Playworks, a program that utilizes full-time coaches to provide structured play opportunities during recess and class time, reduces the number of disciplinary referrals in low-income elementary…
WWC Review of the Report “High School Students as Mentors: Findings from the Big Brothers Big Sisters School-Based Mentoring Impact Study”
Single Study Review | March 2013
The study examined the effects of Big Brothers Big Sisters (BBBS) school-based mentoring programs on students in grades 4–9 from 71 schools working with ten BBBS agencies across the country. Within each of the 71 schools,…
WWC Review of the Report “Reducing Developmental Risk for Emotional/Behavioral Problems: A Randomized Controlled Trial Examining the Tools for Getting Along Curriculum”
Single Study Review | March 2013
The study examined the impact of Tools for Getting Along (TFGA) on fourth- and fifth-grade students’ behavioral outcomes in 14 Florida elementary schools. The curriculum aims to improve students’ social…
An experimental study of the Project CRISS reading program on grade 9 reading achievement in rural high schools
Single Study Review | February 2013
No report available—Study did not meet standards.
WWC Review of the Report “An Evaluation of the Chicago Teacher Advancement Program (Chicago TAP) After Four Years”
Single Study Review | February 2013
The study examined whether the Chicago Public Schools’ Teacher Advancement Program (Chicago TAP), which provides mentoring, leadership opportunities, and financial incentives to teachers, improved student academic achievement and…
WWC Review of the Report “Evaluation of a Two-Year Middle-School Physical Education Intervention: M-SPAN”
Single Study Review | February 2013
The study examined the effect of the Middle School Physical Activity and Nutrition (M-SPAN) intervention on the physical activity level of middle school students. Study authors randomly assigned schools to receive the…

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Handy Definitions

A summary of findings of the highest-quality research on a given program, practice, or policy in education.

A WWC publication that presents recommendations for educators to address challenges in their classrooms and schools.

A review of an individual study that includes the WWC’s assessment of the quality of the research design and technical details about the study’s design and findings.

A timely and objective assessment of recent research.

A formal document developed to determine the scope of a review.

An outcome, population, or type of intervention studied by the WWC.

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