Search our database of 1129 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.

Displaying 1-8 of 351

Limiting Learning Loss using Phone-based Programming during Covid-19 in Botswana

Noam Angrist
Caton Brewster
Moitshepi Matsheng
Working in Botswana, researchers rapidly evaluated a phone-based remote learning program aimed at keeping children engaged with math during the Covid-19 pandemic. Students who received weekly SMS messages and phone calls to review math exercises increased their math skills after twelve weeks, while...

The Economic, Health and Psychological Effects of Health Insurance and Unconditional Cash Transfers in Kenya

Johannes Haushofer
Matthieu Chemin
Chaning Jang
Justin Abraham
Researchers evaluated the effects of a free health insurance policy and UCTs of the same value on the economic, health, and psychological outcomes of informal workers in Kenya. Participants who received health insurance self-reported reduced stress and had lower cortisol levels; UCTs led to fewer...

Does Continuous Professional Development Improve Teaching at the Right Level in Zambia?

Nico Vromant
Researchers are evaluating the impact of the “Teaching at the Right Level” program on students’ foundational literacy and mathematics skills.

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...