Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1-8 of 1189

Priming Adverse Events and Reports of Depression in Nigeria

Kevin McGee
Gbemisola Oseni
Julie Perng
Ryoko Sato
Tomomi Tanaka
Renos Vakis
To better understand how to measure and report depression, researchers randomized the order of questions in a national survey to examine the effect of triggering memories of difficult events, such as conflicts, shocks, and death, on reported levels of depression across households in Nigeria. They...

The Impact of Group-based Therapy and Cash Transfers on Adolescent Girls' Mental Health and Economic Outcomes in Uganda

Researchers are conducting a randomized evaluation to test the impacts of group-based therapy with and without a one-time lump sum cash transfers on the mental health and employment outcomes of adolescent girls in Uganda.

Increasing Menstrual Hygiene Awareness to Reduce School Dropout among Adolescent Girls in Madagascar

Julieta Vera
Duncan Webb
Researchers are conducting a randomized evaluation to test the impact of raising awareness about menstrual hygiene on adolescent girls' school retention in Madagascar.

Letters of Recommendation for Youth Employment in the United States

Researchers partnered with SYEP employers to create personalized letters of recommendation for SYEP participants to evaluate the impact of recommendation letters on participants’ educational and employment outcomes after the program. Youth who received the letter of recommendation saw a 3 percentage...

The Impact of Bid Training on Small Firm Growth in Liberia

Fei Ao
Vinayak Iyer
Golvine de Rochambeau
Researchers evaluated the impact of a bid training program on the business performance of local small and medium-sized firms. The bid training led firms to bid on and win more contracts, with the positive impacts concentrated on a quarter of firms.

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.

Leveling the Playing Field for High School Choice: A Field Experiment of Informational Interventions in the United States

Researchers evaluated the impact of several informational interventions with different modes of delivery and customization levels on high school choice outcomes among middle school students in New York City. All interventions made students less likely to rank a low graduation rate high school as...