This report presents estimates that, for each state, measure the need for the Supplemental Nutrition Assistance Program (SNAP) and the program’s effectiveness in fiscal years 2009 through 2011. The estimated number of people eligible for SNAP measure the need for the program. The...

In 2010, the Bill & Melinda Gates Foundation invited five states and three pilot districts in each state to participate in the Teacher-Student Data Link (TSDL) project. Mathematica developed a report presenting findings from 2011, the project’s first year of implementation. Building on...

American Recovery and Reinvestment Act of 2009 comparative effectiveness research (CER) investments aimed to develop fundamental building blocks to transform health care in the United States by strategically aligning national CER efforts and priorities. The overarching goals of these investments...

This guide covers key concepts behind good graphic design and discusses how to use basic elements like photographs, images, color, tables, figures, and type to create useful publications and digital products. It also touches on how researchers can use data visualization to make complex concepts...

Mathematica Policy Research offers a full suite of analytics services to maximize the transformative power of data and provide optimal solutions to today’s most pressing questions. Backed by decades of experience helping clients address complex challenges, we integrate state-of-the-art...

This report describes The Equity Project (TEP) charter school’s instructional and personnel strategies, examines the characteristics and attrition rates of TEP students, and measures TEP’s impacts on student achievement during the school’s first four years of operation.

Part of the broader Evaluation of Adolescent Pregnancy Prevention Approaches (PPA), this study evaluated the impacts of a Chicago Public School demonstration project to support the implementation of HealthTeacher, a nationally popular and affordable online K–12 health education program,...

This study examines the accuracy of performance ratings from the Framework for Leadership (FFL), Pennsylvania’s tool for evaluating the leadership practices of principals and assistant principals.

Mathematica Policy Research has conducted influential work to improve mental health and substance abuse services and policies. We combine our deep knowledge of behavioral health care with our data collection and analytic capabilities to provide a wide array of services.

This is the first of four planned reports from a multiyear study focusing on the TIF grants awarded in 2010. It examines grantees’ implementation experiences and intermediate educator outcomes near the end of the first year of program implementation, before the first pay-for-performance...