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.

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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.

India’s Happiness Curriculum to Improve Youth Mental Health, Learning, and Development

Kevin Carney
Avinash Moorthy
Researchers are examining the impact of a socioemotional learning curriculum on student mental health, academic achievement, and other social outcomes.

Evaluating the Impact of a Growth Mindset Intervention in Argentina

In Argentina, a researcher evaluated whether informing students of their potential could be a cost-effective way to increase motivation and improve educational outcomes among secondary school students. They found that the intervention did not impact students’ perceptions of the difficulty of school...

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...

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

Victor Chernozhukov
Suresh Dalpath
Mert Demirer
Iván Fernández-Val
Matthew Jackson
Francine Loza
Anna Schrimpf
Maheshwor Shrestha
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...

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...

The Impact of Citizen Monitoring on the 2019 Mayoral Elections in Colombia

Natalia Garbiras-Diaz
Mateo Montenegro
Researchers evaluated the impact of encouraging citizen monitoring on the 2019 mayoral elections in Colombia. The intervention resulted in higher reports from citizens and a reduction in observed irregularities in the election.