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.

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The Impact of a School-Based Smoking Prevention Program in Indonesia

Margaret Triyana
Justin S. White
Researchers conducted a randomized evaluation to measure the impact of a school-based program that used a non-monetary penalty and regular monitoring to prevent adolescent tobacco use. The program reduced the probability that adolescents smoked, with effects sustained three months after the program...

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...

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.

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.

Secondary School Scholarships to Increase Girls' Skill Development, Empowerment, and Job Opportunities in Niger

The Government of Niger, the National Institute of Statistics, and the World Bank partnered with researchers to evaluate the impact of secondary school scholarships for girls on skill development, empowerment, and job opportunities.

Shaping Educational Careers of Immigrant Children: Motivation, Cognitive Skills and Teachers’ Beliefs in Italy

Researchers conducted a randomized evaluation to measure the impact of an academic tutoring and career counseling program designed to reduce educational inequalities between native-born and immigrant children. Can tutoring and career counseling help improve the educational outcomes of high-ability...