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 378

Addressing Menstrual Stigma and Hygiene to Improve Education and Psychosocial Well-Being among Adolescent Girls in Madagascar

Julieta Vera Rueda
Duncan Webb
Researchers evaluated the impact of a program addressing constraints related to hygiene infrastructure and access to sanitary products while addressing social stigma around menstruation, on girls’ learning and psychosocial well-being in Madagascar. The program led to improvements in academic...

Are Rainwater Harvesting Techniques Profitable for Small-Scale Farmers? The Adoption and Impact of RWH Techniques in Niger

In Niger, researchers conducted a randomized evaluation to test the impact of providing training and conditional or unconditional cash transfers on farmers’ adoption and use of an environmental technology, their resulting land use, agricultural production and profitability, and labor allocation.

The Impact of Secondary Education on Economic Decision-Making in Malawi

Researchers evaluated whether randomly providing financial support for secondary education could improve economic decision-making in addition to educational outcomes for secondary school students in Malawi. Results show that the intervention improved educational outcomes and economic decision-making...

Overcoming Barriers to Fertilizer Use in Kenya

Jonathan Robinson
Researchers conducted a randomized evaluation to test the impact of offering coupons, facilitated discussion groups, and measuring spoons on fertilizer usage, fertilizer knowledge, and agriculture-related discussions amongst farmers. While discussion groups alone had no impact on fertilizer use...

Cash Transfers and Market Access to Increase Household Welfare in Rural Liberia and Malawi

Dahyeon Jeong
Naresh Kumar
David Park
Alan Spearot
In Liberia and Malawi, researchers partnered with Innovations for Poverty Action, GiveDirectly, and USAID to evaluate the impact of an unconditional cash transfer and market access program on food security, spending, income, resilience to health shocks, intimate partner violence, and psychological...

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.

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.