Search our database of 1127 randomized evaluations conducted by our affiliates in 93 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Visualization of Future Benefits to Increase Preventive Health Investment, Savings, and Labor Supply in Kenya

Anett John
Researchers evaluated the impact of light-touch psychological interventions on health and economic outcomes, with a particular focus on the chlorination of drinking water. After 12 weeks, visualization increased objectively measured chlorination; reduced diarrhea episodes among children and...

The Impact of Daily Quizzing on Student Achievement in Kenya

Joost de Laat
Researchers are partnering with Bridge International Academies to evaluate the impact of daily quizzing on students’ learning outcomes in Kenya.

The Impact of Personalized SMS Messages to Parents on Student Achievement in Kenya

Joost de Laat
Researchers are partnering with Bridge International Academies to evaluate the impact of an SMS-based information provision program on students’ learning outcomes in Kenya.

The Impact of Rapid Performance Feedback on Student Achievement in Nigeria

Joost de Laat
Researchers are partnering with Bridge International Academies to evaluate the impacts of interleaved problem sets, which allow for rapid performance feedback, on students’ learning outcomes in Nigeria.

The Impact of Cognitive Behavioral Therapy on Low-Income Individuals in Rural Ghana

Nathan Barker
Angela Ofori-Atta
Cognitive behavioral therapy (CBT) may be an effective mental health approach for people living in poverty, who are especially vulnerable to mental distress and face unique demands on their mental “bandwidth.” Researchers worked with Innovations for Poverty Action and the University of Ghana Medical...

The Impact of a Nurse Home Visiting Program on Maternal and Child Health Outcomes in the United States

Annetta Zhou
Michelle Woodford
Researchers are studying NFP’s impact on a number of outcomes, including premature births, birth spacing, child injuries, and wellbeing across a wide range of domains.

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

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