Selecting the Best Comparison Group and Evaluation Design: A Guidance Document for State Section 1115 Demonstration Evaluations
Supporting CMS Oversight of Medicaid 1115 Demonstrations
U.S. Department of Health and Human Services, Centers for Medicare & Medicaid Services, Center for Medicaid and CHIP Services
This guidance document focuses on quantitative impact evaluations, which assess the causal effects of an intervention by comparing outcomes under the demonstration’s policies with an estimate of what would have happened under a counterfactual—that is, what would have happened in the absence of those policies or if the policies had been implemented differently.
How do you apply evidence?
Take our quick four-question survey to help us curate evidence and insights that serve you.Take our survey