Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 641-648 of 1219

Rates of Return to Fertilizer: Evidence from Field Experiments in Kenya

Jonathan Robinson
Researchers in Kenya collaborated with the NGO International Child Support to measure the returns to different types of fertilizer among local farmers. While results show that all interventions led to increases in yield, rate-of-return calculations indicate that not all were profitable for the...

Peer Effects, Alcohol, and College Roommates in the United States

Researchers conducted a randomized evaluation to measure the impact of having a roommate who drank alcohol frequently before college on college students' grade point averages (GPAs). Results show that, while female students' GPAs were not affected by their roommate's drinking prior to college, male...

Peer Effects, Diversity, and College Roommates in the United States

Johanne Boisjoly
Jacque Eccles
Researchers in the United States assessed the impact on college students of having a roommate from a different race. White students assigned to a black roommate were more likely to endorse affirmative action policies than those assigned to a white roommate. Other factors, such as having roommates...

Incentives to Learn: A Merit-Based Girls' Scholarship Program in Kenya

Approximately 85 percent of primary school age children in western Kenya are enrolled in school, but only about one-third of students finish primary school. This project was introduced in part to assist families of high-achieving girls to cover the cost of school fees, supplies, and activities.

Flipcharts, School Inputs, and Retrospective versus Prospective Analyses in Kenya

Sylvie Moulin
Eric Zitzewitz
Researchers provided educational flipcharts to 89 randomly selected Kenyan primary schools and evaluated their impact on student learning, comparing retrospective and prospective estimates. In the prospective study, the estimated impact of flipcharts on student test scores was found to be close to...

Teacher Incentives Based on Students' Test Scores in Kenya

In partnership with International Child Support, researchers designed and evaluated an incentives program that provided salary bonuses to teachers in Kenya based on the performance of their school as a whole on annual district exams. While results show that the incentives program led to an increase...

School Meals, Educational Achievement and School Finance in Kenya

Christel Vermeersch
Researchers examined the effects of subsidized school meals on school participation, educational achievement, and school finance in Western Kenya. The results suggest that the meals program led to improved school participation, as well as higher curriculum test scores, but only in schools where the...

The Illusion of Sustainability: Comparing Free Provision of Deworming Drugs and Other "Sustainable" Approaches in Kenya

This study in Kenya found that cost-sharing and health education were not effective alternatives to a total subsidy of deworming drugs.