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.
- Teen pregnancy prevention
- State insurance coverage for children
- Family Support
- Strengthening Families and Responsible Fatherhood
- Youth Development
- State Health Policy
- Medicaid and CHIP
Christopher Trenholm is a national expert in pregnancy prevention and coverage for uninsured children.
Trenholm joined Mathematica as a researcher in 1997. He is principal investigator for a large-scale federally funded experimental impact evaluation of promising approaches for preventing teen pregnancy and sexually transmitted diseases. He also served as principal investigator for Mathematica’s congressionally mandated abstinence evaluation, which won the American Evaluation Association’s Outstanding Evaluation Award in 2009.
Trenholm also directs several large-scale foundation-funded projects examining state insurance coverage for children, and was principal researcher for a congressionally mandated study of the State Children’s Health Insurance Program nationwide.
Widely published in peer-reviewed journals, Trenholm serves as a reviewer for the Journal of Economic Inquiry, Journal of Human Resources, Journal of Population Economics, and others. He is a lecturer in evaluation topics at Princeton University’s Woodrow Wilson School and holds a Ph.D. in economics from the University of North Carolina.
Evaluation of Abstinence Education Programs
Mathematica was commissioned to conduct a congressionally mandated evaluation of the effectiveness of abstinence education programs. Programs receiving these funds taught abstinence from sexual activity outside of marriage as the expected standard for school-age children and could not endorse or promote...
The What Works Clearinghouse: Improving Practice, Research, and Policy
In 2002, the U.S. Department of Education's (ED) Institute of Education Sciences (IES) established the What Works Clearinghouse (WWC) to collect, review, and report on studies of education interventions. The growing focus on evidence-based decision making increased demand for this type of information. Since...
Mathematica's Abstinence Evaluation: Responding to a Changing Policy Climate
In 1996, Congress authorized $50 million annually for five years to states for abstinence education programs. Beginning in 2005, an additional $13 million was allocated to grantees providing abstinence education. Programs receiving these funds taught abstinence from sexual activity outside of marriage...