This slideshow can be controlled with the left or right keys. The slideshow plays by default. If you want to toggle the pause button you can press p.

Providing Evidence to Help End Child Obesity

More than three decades of rigorous research inform the debate.

Read more

Repeal may lower costs and improve care.

Rigorous Study Looks at Reading and Math Achievement

SNAP Congressional Testimony

Key resources include data visualization, household characteristics report, and microsimulation models.


Learn More About Mathematica

Paul Decker talks about our unique, rigorous approach.

Watch the video
Most Popular

Head Start: The Family and Child Experiences Survey (FACES)

Mathematica conducted five-year studies of the 2006 and 2009 FACES cohorts, and, for the most recent study (2014-2018), redesigned FACES to provide key data more rapidly and with greater frequency and to help researchers examine more complex issues and topics in greater detail and efficiency.

Money Follows the Person 2013 Annual Evaluation Report

This is the fifth in a series of annual reports from the national evaluation of the Money Follows the Person (MFP) rebalancing demonstration. It presents three broad sets of analyses that report on the overall progress and effects of the MFP demonstration: (1) grantees’ progress on their statutory transition...

Publications Images

Mathematica Overview

In this video, Mathematica Policy Research CEO and president Paul Decker gives an overview of the company's rigorous research methods.

Recent Projects

Rwanda: Democracy and Governance Threshold Program Evaluation

Mathematica is conducting a rigorous evaluation of the key activities of the Rwanda Threshold Program, which focuses on strengthening the rule of law, civil society, civic participation, media, and the inspectorate services of the national police.

CHIPRA 10-State Evaluation

This study addressed a series of policy questions related to the impact of CHIP, the effective operation of CHIP programs, and the inter-relationship between and among CHIP, Medicaid, and employer-sponsored insurance coverage for low-income children.

Evaluating Express Lane Eligibility

Express Lane Eligibility allows a state’s Medicaid and/or CHIP program to rely on another public agency’s eligibility findings to qualify children for public health insurance coverage. Mathematica evaluated ELE in the Medicaid and CHIP programs.

National Evaluation of CHIPRA Quality Demonstration Grant

This program aims to identify effective, replicable strategies for enhancing quality of care for children. Mathematica’s evaluation is assessing whether states achieved their objectives and evaluating which strategies proved most effective.

Recent Publications

Assessing the Costs and Benefits of Return-to-Work Programs (Issue Brief)

Each year, millions of workers in the United States develop a chronic illness, disability, or other serious medical problem. Many are at risk of exiting the labor force, especially if they do not receive timely and effective return-to-work (RTW) supports. These workers and their families frequently face...

Experimental Impacts of a Teacher Professional Development Program in Chile on Preschool Classroom Quality and Child Outcomes

The authors assessed impacts on classroom quality and on 5 child language and behavioral outcomes of a 2-year teacher professional-development program for publicly funded prekindergarten and kindergarten in Chile. This cluster-randomized trial included 64 schools (child N = 1,876). The program incorporated...

Integration of Medicare and Medicaid for Dually Eligible Beneficiaries: State Efforts Inside and Outside Demonstration Authority

Affordability of National Flood Insurance Program Premiums—Report 1

The Biggert-Waters Act of 2012 was designed to move the National Flood Insurance Program (NFIP) toward risk-based premiums that better reflect expected losses from floods at insured properties. The result of this legislation would have been premium increases for some households which had been paying...


CHCE Forum: The SGR Fix: A Pathway to Fundamental Physician Payment Reform?

In a new publication released in March, Mathematica senior fellow James Reschovsky unpacked the details of the proposed sustainable growth rate replacement, including the new Merit-Based Incentive Payment System and several other payment models encouraged in the legislation. Reschovsky and a panel of...

CSDP Forum: Early Findings from the Benefit Offset National Demonstration (BOND)

BOND tests an innovation that allows SSDI beneficiaries to earn more while keeping part of their disability benefits. Forum speakers provided background on BOND, presented findings from the first two years' process and impact analyses, and discussed potential policy and research implications.

Research Recap: Rwanda Threshold Program

This research recap looks at the efforts of the Rwandan government to improve performance on indicators related to democratic government.


This recap video includes interviews and workshop clips to highlight the day’s event.

Expert Spotlight

Policy Issues Are Complex.

Our Approach Is Comprehensive.

Mathematica Policy Research is dedicated to improving public well-being by bringing the highest standards of quality, objectivity, and excellence to bear on information collection and analysis for our partners and clients. The company has been at the forefront of assessing the effectiveness of policies and programs since 1968. Considered an architect of social policy research, Mathematica conducted the first social policy experiment in the United States, the New Jersey Negative Income Tax Experiment, to test ways of encouraging low-income individuals to work.