Educators and policymakers have long debated which textbooks and their associated instructional approaches have the greatest impact on student learning in key subjects. Mathematica’s large-scale federal study of the effectiveness of four early math programs brings new clarity to what works in...

This overview of the patient-centered medical home offers a timeline of the concept, problems it addresses, key features as described in the joint principles, and the patient-centered medical home’s position in a larger, integrated delivery system.

This article quantifies in dollars, jobs, and economic value lost how excess growth in health care costs is adversely affecting economic performance of U.S. industries. Researchers analyzed data from 38 U.S. industries from 1987 to 2005 and determined that faster growth in health care costs had...

This brief summarizes key findings gleaned from site visits to states where IAC has made multiyear "Finish Line" grants. These findings describe the importance of persistence, flexibility, creativity, and commitment to conducting effective states-based advocacy as well as building strong,...

Securing data on students’ academic achievement is typically one of the most important and costly aspects of conducting education experiments. As state assessment programs have become practically universal and more uniform in terms of grades and subjects tested, the relative appeal of using...

This book chapter looks at the CMS-funded Informatics for Diabetes Education and Telemedicine demonstration. The chapter summarizes participants’ use of the technology, intervention effects on intermediate clinical outcomes, intervention effects on Medicare services’ use and cost, and...

This summary presents the key findings from a collection of nine studies conducted in 2009–2010 that focused on the employment efforts of working-age Supplemental Security Income and Social Security Disability Insurance beneficiaries and the Social Security Administration work incentives and...

New Leaders for New Schools, a nonprofit organization committed to training school principals, is heading an initiative that offers financial awards to effective educators. This report details the value-added model Mathematica developed to identify effective schools in the Memphis City school...

Do private school vouchers have an impact on students’ achievement? A recent reanalysis of our 2002 report on an evaluation of the School Choice Scholarships Foundation program in New York City provides more information to inform the debate. In these comments presented at the National Press...

Using growth curve modeling, this study describes the shape of the age difference between participants and their sex partners across adolescence and young adulthood in a sample of African American youth, by evaluating the co-occurrence of other risk behaviors.