Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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The Impact of Communication Messages on Student Performance in São Paulo, Brazil

Researchers, in partnership with the São Paulo Education Secretariat, conducted a randomized evaluation in ninth grade classrooms to investigate the mechanisms driving the effects of communicating with parents on education outcomes.

Community Service Grants to Foster Social and Economic Integration for Youth in Kazakhstan

In Kazakhstan, researchers tested whether offering youth community service grants and training impacted their level of community engagement, pro-social behavior, life skills, and labor market outcomes. Engaging youth in civic service and/or training had little to no effect on these outcomes one-year...

Microcredit in Rural Morocco

Researchers estimated the impact of a microcredit program, which was randomly rolled out in rural areas of Morocco. Thirteen percent of the households in treatment villages took a loan, and none in comparison villages did. Among households identified as more likely to borrow, microcredit access led...

Identity in Charitable Giving in the United States

Katherine Milkman
A large charitable organization in the United States conducted a series of direct mail appeals for donations using different identity primes in 2009-2010. Researchers found that priming a potential donor’s identity as either a previous donor to charity or as a member of their local community...

The Impacts of Gender Norms and Women's Relationship Status on Career Ambitions in the United States

Researchers evaluate whether single women exhibit these tendencies in an elite US MBA program by testing whether students reported different ambitions privately and publicly, or if their responses varied when the audience was largely male. Researchers found that when they expected their answers to...

Evaluating the Impact on Anemia of Making Double Fortified Salt Available in Bihar, India

Sharon Barnhardt
In Bihar, India, researchers examined how double fortified salt could be most effectively priced, marketed, and distributed in order to have the greatest impact on a range of health, education, and economic outcomes.

Multigenerational Benefits to Secondary Schooling in Ghana

Elizabeth Spelke
Mark Walsh
A study conducted in Ghana over 15 years evaluated the benefits of secondary school scholarships on both education and health outcomes.

Primary School Deworming in Kenya

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...