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Learn More About Mathematica

Paul Decker talks about our unique, rigorous approach.

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The Equity Project

Does paying teachers $125,000 produce better results?

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CHIP Improves Children's Access to Care

New evaluation findings

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See Changes in Rates and Areas Over the Past Decade

Interactive Map Shows U.S. Unemployment Rates by County

Wide Differences in Readiness

Findings showing at-risk kindergartners start well behind peers help inform Sesame Street educational framework.

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Most Popular

PCORI Dissemination and Implementation Framework and Toolkit

Recognizing the need for strategies to accelerate the sharing of research (dissemination) and to help put it into practice (implementation), the Patient-Centered Outcomes Research Institute commissioned the development of a Dissemination and Implementation (D&I) Framework and D&I Toolkit.

A Guide to Real-World Evaluations of Primary Care Interventions: Some Practical Advice

The Agency for Healthcare Research and Quality (AHRQ) has released a new Evaluation Guide for designing real-world evaluations of interventions such as the patient-centered medical home (PCMH) and other models to improve primary care delivery. Effective primary care can improve health and cost outcomes,...

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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

The Impact of Replacing Principals on Student Achievement in DC Public Schools

The Public Education Reform Amendment Act led to numerous reforms that changed nearly every aspect of DC public schools. In this project, we focus on one consequence of the reforms by examining the impact of principal replacements that began in 2007 on student achievement.

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.

Early Head Start Family and Child Experiences Survey (Baby FACES)

The Early Head Start Family and Child Experiences Survey (Baby FACES) is designed to be a rich source of data describing the experiences of children and their families in Early Head Start.

National Longitudinal Transition Study

The National Longitudinal Transition Study 2012 gathers information on students with and without disabilities. The sample consists of students identified as needing special education services, as well as those with a condition that qualifies them for accommodations under Section 504 of the Vocational...

Recent Publications

Acculturation Differences in Communicating Information About Child Mental Health Between Latino Parents and Primary Care Providers

Significant Latino-white disparities in youth mental health care access and quality exist yet little is known about Latino parents’ communication with providers about youth mental health and the role of acculturation in influencing this communication. We estimated regression models to assess the association...

Practice-Based Research Networks (PBRNs) Are Promising Laboratories for Conduction Dissemination and Implementation Research

Dissemination and implementation science addresses the application of research findings in varied health care settings. Despite the potential benefit of dissemination and implementation work to primary care, ideal laboratories for this science have been elusive.

What Do We Know About Health Care Access and Quality in Medicare Advantage Versus the Traditional Medicare Program?

Building Teacher Capacity to Support English Language Learners in Schools Receiving School Improvement Grants

The Study of School Turnaround examines the improvement process in a purposive sample of 35 case study schools receiving federal funds through the School Improvement Grants (SIG) program over a three-year period (2010–11 to 2012–13 school years). This brief focuses on 11 of these SIG schools with high...


CHCE Forum: Measuring High Performers and Assessing Readiness to Change: Looking Beyond the Lamppost

New payment models and other incentive programs are encouraging practices to shift their health care from fee-for-service to value-based purchasing systems, such as accountable care organizations (ACOs), bundled payment models, and primary care medical homes (PCMHs).

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Research Recap: CHIP Improves Children's Access to Care, Eases Financial Burden on Families

New evidence from a nationwide evaluation of the Children's Health Insurance Program (CHIP) reveals that CHIP has successfully expanded coverage for children who would otherwise be uninsured.

Advancing the Agenda: Using Research to Integrate Health and Early Childhood Practice Worldwide

A noted panel of experts discusses the evidence for weaving early childhood development into child survival and health programs, with a focus on identifying strategies and promising innovations that can be adapted and replicated.

CHCE Forum: Efforts to Measure and Improve Patient-Centered Primary Care

Mathematica’s Center on Health Care Effectiveness (CHCE) hosted a forum to discuss past, present, and potential future efforts to measure comprehensiveness and improve patient-centered primary care. Topics covered included prior efforts to measure comprehensiveness in primary care, measures of comprehensiveness...

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.