Search our database of 1155 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

Displaying 17-24 of 1155

Visualizing Future Benefits to Increase Preventive Health Investment, Savings, and Labor Supply in Kenya

Anett John
Researchers evaluated the impact of light-touch psychological interventions on health and economic outcomes, with a particular focus on the chlorination of drinking water. After twelve weeks, visualizing the future increased objectively measured chlorination; it also reduced diarrhea episodes among...

Improving Immunization Coverage Through Incentives, Reminders, and Social Networks in India

Suresh Dalpath
Matthew O. Jackson
Francine Loza
Maheshwor Shrestha
Victor Chernozhukov
Mert Demirer
Iván Fernández-Val
Researchers worked with the state government to evaluate the impact of three programs to build demand for vaccination: local immunization ambassadors, small, non-financial incentives, and tailored SMS reminders. The most effective policy option increased measles vaccination by approximately 55...

Rapid Re-Housing to Reduce Homelessness in the United States

James Sullivan
Researchers are evaluating the impact of rapid re-housing on homelessness and health outcomes for single adult individuals.

Closing the Word Gap with Big Word Club: Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program

Ariel Kalil
Susan Mayer
Researchers evaluated the Big Word Club, a classroom-based digital learning program designed to increase the vocabulary of young children, to assess the program’s impact on children’s receptive vocabulary. Researchers found that the Big Word Club increased students’ knowledge and retention of words...

Clinical Decision Support for Radiology Imaging in the United States

Sarah Abraham
Sarah Reimer
Researchers studied the impact of a clinical decision support software system on high-cost imaging orders. They found that clinical decision support reduced the number of high-cost scans targeted by the software but did not change the total number of high-cost scans ordered.

Providing Credit, Price Premiums, and Application Assistance to Encourage the Adoption of Aflasafe in Senegal

Joshua Deutschmann
Ouambi Yameogo
In Senegal, researchers are testing a new contract arrangement between farmers and cooperatives that includes credit, training, and a price premium for certified low-aflatoxin groundnuts on farmers’ decisions to adopt Aflasafe, aflatoxin levels, and output sales.