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Learn More About Mathematica

Paul Decker talks about our unique, rigorous approach.

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Highlights from the Year in Review

Policy guidance for decision makers in the face of complexity

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Special Journal Issue

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Strategic Data Use in Education

Mathematica’s evaluation examined the implementation, key challenges, and promising strategies of initiatives that supported the strategic use of education data at the state and district levels.

WIC Breastfeeding Policy Inventory

Breastfeeding promotion and support is a core component of the nutrition services provided by the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). The objectives of this study were to describe a census of state and local WIC agencies’ policies and practices to promote breastfeeding;...

Recent Projects

Peru school LAC Reads project

Latin America and Caribbean Reading Evaluation (LAC Reads)

Mathematica is rigorously evaluating and determining costs for U.S. Agency for International Development investments in early literacy and access to education in conflict settings in the Latin America and Caribbean region.

India Bihar Ananya

Bihar, India: Measurement Learning and Evaluation for the Family Health Initiative

Mathematica is leading the measurement, learning, and evaluation component of the Ananya program, formerly known as the Family Health Initiative, in Bihar, India.

Burkina Faso: Impact Evaluation Design and Implementation for Bright 1 and 2

The Burkinabé Response to Improve Girl’s Chances to Succeed (BRIGHT 1) aims to increase girls’ educational attainment in Burkina Faso. We conducted an impact evaluation of BRIGHT 1 and will again be overseeing the data collection efforts, including household and school surveys, for the BRIGHT 2.

El Salvador: Impact Evaluation of Education, Training, and Productive Development

Mathematica is evaluating the human development activities of an initiative that seeks to address poverty and economic development in the Northern Zone of El Salvador.

Recent Publications

Solo Practitioners Remain Important Contributors to Primary Care

This article examines the proportion of small practices and providers in primary care, as well as the characteristics of their patients and communities and their participation in new models of health care delivery.

State Differences in the Vocational Rehabilitation Experiences of Transition-Age Youth with Disabilities (Journal Article)

The study examines the extent to which states' transition-age youth with disabilities apply for vocational rehabilitation (VR) services, receive services, and are employed at case closure. The percentage of a state's transition-age youth population who applied for VR services ranged from 4 to 14 percent;...

How Disability Beneficiaries Fared Before and After the Great Recession

The Great Recession (December 2007 to June 2009) had far-reaching impacts on the U.S. economy, but it likely had a different effect on beneficiaries of the Social Security Administration (SSA) disability programs than on other working-age individuals. This data brief describes the experiences of working-age...

Evaluation of the Comprehensive Primary Care Initiative: First Annual Report

In October 2012, the Center for Medicare & Medicaid Innovation of the Centers for Medicare & Medicaid Services (CMS), in a unique collaboration between public and private health care payers, launched the Comprehensive Primary Care (CPC) initiative to improve primary care delivery in seven regions across...



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

CIRE Forum: Transforming Technical Assistance: Using Evidence to Enrich the Experience

This forum explored the standards for effective technical assistance (TA). Evidence-based TA draws upon proven research techniques and products, which inform (1) the TA content, (2) the process of providing TA (based on adult learning principles), and (3) the measurement of the policy or program improvement...

WIC Breastfeeding Policy Inventory

Working at the Princeton Office

This video provides an overview of the Princeton office.

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.