Evidence Library

Browse our catalog of client project information, research reports, issue briefs, journal articles, fact sheets, working papers, and other publications.

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Angled mockup of a Mathematica position paper titled ‘Framework for Evaluating LLMs on Complex Data Sets,’ showing the teal-and-navy cover with abstract network lines over hands on a laptop alongside open pages labeled ‘Executive Summary’ and ‘Problem Statement.’
Featured Publication

Trusting your LLM

Mar 06, 2026
Andrés Nigenda, Dallas Dotter, Camille Shao
Federal Foundations Global Health and Development
Most Recent Evidence
Project

Apprenticeship Evidence-Building Portfolio

Feb 12, 2026
Human Services Education College and Career Readiness
Publication

Parent Experiences in the Regional Partnership Grants Program: Findings from an Exploratory Study

Feb 01, 2026
Robin Lindquist-Grantz, Angela Valdovinos D'Angelo, Genevieve Caffrey, and Leah Pranschke
Human Services Child Welfare Family Support
Publication

The Retaining Employment and Talent After Injury/Illness Network (RETAIN) Demonstration: Evaluation Findings One Year After Enrollment

Feb 01, 2026
Ankita Patnaik, Monica Farid, Isabel Musse, Irina Degtiar, Jillian Berk, Yonatan Ben-Shalom, Sarah Croake, Meagan Ager, Cayla Roby, Moriah Bauman, Karen Katz, Kara Peterik, Rosalind Keith, Jayna Jones, Ayesha De Mond, and Lauren Bendall
Human Services Disability Employment and Training
Publication

Regional Partnership Grants Cross-Site Evaluation Annual Report October 2024-September 2025

Jan 30, 2026
Betsy Keating, Angela Valdovinos D'Angelo, Zoe Michaelson
Mental Health and Substance Use Child Welfare Family Support
Publication

How to keep competition alive in Medicaid managed care markets

Jan 27, 2026
Ryan Stringer, Jessica Nysenbaum, Erin Weir Lakhmani
Medicaid and CHIP Quality Improvement State Health Policy
Publication

Analysis of the Colorado Option, pursuant to § 10-16-1310, C.R.S

Jan 16, 2026
R. Vincent Pohl, Alli Steiner, Monica Lazaro Davadi, Kara Nester, Leah Faunce, Monica Farid, Becca Gordon
State Health Policy State and Local Policy Analysis
Project

Massachusetts Early Childhood Education Apprenticeship Study

Dec 24, 2025
Human Services Early Childhood Professional Development
Publication

The rise of Medicare Advantage payviders

Dec 18, 2025
Eugene Rich, Genna Cohen, David Jones
Delivery System Reforms Medicare Payment Reform
Publication

Working with Medicare - State Contracting with D-SNPs, Part 2: Contracting Strategies and Considerations for States

Dec 01, 2025
Ahimsa Govender, Lida Momeni, Jason Weinstock, Ryan Stringer, Alexandra Kruse, and Erin Weir Lakhmani
Health Long-Term Services and Supports Medicaid and CHIP

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