Childhood obesity is a growing health problem in the United States that has captured the attention of researchers, policymakers, and practitioners. Over the past four decades, rates of obesity doubled among children age 2 to 5 and quadrupled among children ages 6 to 11 (Ogden and Carroll 2010).

Mathematica health experts collaborated with staff at the Kaiser Commission for Medicaid and the Uninsured to author this brief, the second of three case studies examining key operational aspects of coordinated care initiatives in Medicaid, which focuses on the Transitional Care Program...

The first large-scale, random assignment study of the effects of secondary school math teachers from Teach For America and the Teaching Fellows programs found they were as effective as, and in some cases more effective than, teachers receiving traditional certification. The study was sponsored...

This report summarizes seven studies conducted for the final Ticket to Work (TTW) evaluation report that examine beneficiary work activity and effects of the original and revised TTW regulations, the experiences of providers under the revised regulations, and the employment outcomes of...

Dosage, or the amount of intervention delivered, is an important factor in understanding implementation. This brief for researchers and practitioners aims to help establish a common language for communication of findings.

This report uses evidence-based standards developed by the What Works Clearinghouse to review the research literature on programs that help students with disabilities make transitions after high school. Community-based work programs had mixed effects on employment and potentially positive...