Estimating Intervention Effects With Difference-in-Differences
This Guide to Statistics and Methods provides an overview of the difference-in-differences method, a tool for addressing potential biases by contrasting the change in the outcome of interest from before an intervention to after, between settings experiencing and those not experiencing the intervention.
Authors
- Shuo Feng (ORCID: https://orcid.org/0000-0003-1772-4016)
- Alyssa Bilinski
- Laura A. Hatfield
Institutions
- Brown University (US)
- University of Illinois Chicago (US)
Publication Details
- Journal
- JAMA
- Published
- 2026-07-16
- DOI
- https://doi.org/10.1001/jama.2026.12551
- Primary Topic
- Behavioral and Psychological Studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00