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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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.

The Impact of Artificial Intelligence on Learning in Brazil

Lycia Lima
Flávio Riva
Researchers evaluated the learning impacts of using AI systems to score and comment on essays written for Brazil’s national post-secondary admission exam. In schools where AI technology was introduced, teachers were able to provide more frequent individualized feedback to students, and students’...

Closing the Word Gap with Big Word Club: Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program

Researchers evaluated the Big Word Club, a classroom-based digital learning program designed to increase the vocabulary of young children, to assess the program’s impact on children’s receptive vocabulary. Researchers found that the Big Word Club increased students’ knowledge and retention of words...

India’s Saharsh 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.

Interaction, Stereotypes and Performance: Evidence from South Africa

Researchers studied the effects of a university policy in South Africa to promote racial integration, by randomly allocating incoming students to roommates of a different race. The policy reduced negative racial stereotypes among white students, improved attitudes and behaviors towards members of...

Returns to Secondary Schooling in Ghana

In this ongoing study, researchers are evaluating the effect of secondary school scholarships on educational attainment and cognitive skills in the short run, and on life outcomes in the longer run, from employment and health outcomes to civic participation and attitudes.

Combining In-School and Out-of-School Programs to Improve Learning in India

Researchers conducted a randomized evaluation to test the impact of the combination of an in-school learning program with an out-of-school learning program on primary school math and reading levels. The combination of the two programs led to a significant increase in children's test scores in both...