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Journal of General Internal Medicine

Mathematica's health policy experts discuss the rationale for collecting data on physicians and their practices.

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Improving Comprehensive Care for Chronically Ill Beneficiaries
Independence at Home

First-year results show higher quality care and lower Medicare expenditures.    

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Mathematica's Paradata Warehouse
New Research from the Race to the Top and School Improvement Grants Evaluation
Learn More About Mathematica

Paul Decker talks about our unique, rigorous approach.

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Most Popular

Through this demonstration, 11 states and the District of Columbia receive federal Medicaid matching funds for inpatient treatment in participating private institutions for beneficiaries with psychiatric emergency medical conditions. As mandated by the Affordable Care Act, the evaluation is addressing...

This brief describes a review of the literature on ongoing assessment in early childhood settings for researchers and practitioners.

This video provides an overview of working at the Washington, DC, office.

Recent Projects

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...

Mathematica is providing support to the Oklahoma State Department of Education on developing value-added measures of educator effectiveness for its educator evaluation system. The system was piloted in the 2013-14 school year with full implementation in the 2015–16 school year.

Accountable Care Organizations (ACOs) are comprised of doctors, hospitals, and other health care providers working together to provide coordinated, high quality care to Medicare patients.

The Office of Disability Employment Policy has a strong interest in advancing policies and programs that promote positive stay-at-work/return-to-work (SAW/RTW) outcomes for workers who experience a chronic illness, disability, or medical condition.

Recent Publications

This paper develops and validates a predictive model that prospectively identifies low- and moderate- income children with high health care needs, with the ultimate goal of facilitating early detection and appropriate management for this population. Input data are drawn from parent-reported health (PRH)...

As part of the Learning Systems for Accountable Care Organizations (ACOs) project, Mathematica developed a web-based, interactive dashboard for Pioneer ACOs.

This monograph is tenth in a series of articles focused on research design and analysis, and provides an overview of translational research concepts.

This is the ninth in a series of monographs on research design and analysis, and the third in a set of these monographs devoted to multivariate methods.


This video provides an overview of working at the Washington, DC, office.

This recording of the May 2015 CIRE forum features a discussion on how advanced analytics can help policymakers, program administrators, and direct services staff enhance their programs by providing rapid, reliable, and relevant information.

Mathematica evaluated six programs from the Youth Transition Demonstration. This forum looked at impacts on participant employment, earnings, and other outcomes.

Diane Herz, vice president and managing director of survey research, discusses Mathematica's approach to paradata and the paradata dashboard.

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.