Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 129-136 of 404
A woman walks through an informal settlement in Kenya

Positive Psychology for Psychological Well-Being and Decision-Making in Kenya

Victoria Baranov
Johannes Haushofer
Chaning Jang
In Kenya, researchers conducted a randomized evaluation to test the impact of a light-touch positive psychology intervention on psychological well-being and economic decision-making for low-income populations. The intervention had a positive impact on gratitude; however, it had no significant...
Woman on cell phone in Nigeria.

Information Provision via Mobile Phones to Increase Mobile Banking in Ghana

Emma Riley
Abu Shonchoy
Researchers partnered with Opportunity International Savings and Loans Limited (OISL) to conduct a randomized evaluation to test the impact of high-frequency interactive voice response (IVR) calls on people’s use of mobile banking services and their financial behaviors in Ghana. People who received...
Group discussion about health insurance enrollment, healthcare, and health insurance quality with a group of men from the village

Community Engagement’s Impact on Healthcare Utilization and Health Insurance Enrollment in Ghana

Stephen Kwasi Opoku Duku
Christine Fenenga
Wendy Janssens
Edward Nketiah-Amponsah
Menno Pradhan
Researchers in Ghana evaluated the impact of community-led assessments on health insurance enrollment as well as healthcare and health insurance quality. The community engagement intervention improved the medical quality of healthcare, reduced community members’ chances of getting sick, and...
Woman in uniform shows patient papework

The Impact of Fee-for-Service Schemes on Health Service Utilization in the Democratic Republic of Congo

Elise Huillery
Juliette Seban
Researchers tested a fee-for-service scheme, a type of performance pay, at health facilities in the Democratic Republic of Congo to evaluate its impact on health service utilization. While fee-for-service facilities invested more effort in attracting patients, this increase did not translate into...
Students and teacher in a classroom in Kenya.

Primary School Deworming in Kenya

Michael Kremer
Edward Miguel
Researchers evaluated a mass school-based deworming program in Western Kenya, and found that deworming substantially improved health and school participation of treated children, as well as of untreated children in both treatment schools and neighboring schools. The program reduced school...
Girls in school uniforms sit in class

Preventing HIV and Teen Pregnancy in Kenya: The Roles of Teacher Training and Education Subsidies

Esther Duflo
Pascaline Dupas
Michael Kremer
Researchers compared the impact of two alternative programs, one that trained teachers how to teach the existing, abstinence-focused HIV prevention curriculum and another that subsidized education through the provision of free uniforms, on risky sexual behavior of adolescent students in upper...
Man walking with phone in hand and with headphones on

Combating Misinformation using Fact-Checking via WhatsApp in South Africa

Jeremy Bowles
Kevin Croke
Horacio Larreguy
Shelley Liu
John Marshall
Researchers conducted a randomized evaluation to assess how fact-checks regularly sent to participants through WhatsApp can affect their ability to discern false information, as well as their beliefs and attitudes related to topics subject to viral misinformation, particularly Covid-19. Overall, the...
J-PAL logo

Mask Up! Testing strategies to increase mask use in Kenya

Dennis Egger
Aleksandra Jakubowski
Edward Miguel
Michael Walker
Although conflicting recommendations have been issued, recent evidence suggests that face masks may significantly reduce the spread of SARS-CoV-2. However, questions remain on how to effectively promote mask adoption. Research are conducting a randomized evaluation to evaluate the impact of free...