Search our database of 1178 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Persistent Polarizing Effects of Persuasive Communication: Experimental Evidence from Turkey

The researcher evaluated an opposition party’s door-to-door information campaign regarding increases in executive power or executive performance to determine the impact of widespread, non-state-authorized information on voter partisanship. In neighborhoods with majority opposition supporters...

Chauffage au bois et pollution aux particules en Île-de-France

Coralie Chevallier
Rita Abdel Sater
Mathieu Perona
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...

Smart Meters: Do Prices Matter to Their Adoption and Do They Save Energy?

Michael Price
Researchers conducted a randomized evaluation to test the impact of financial incentives on the take-up of energy-efficient smart meters and subsequent energy use in partnership with British Gas. While offering incentives increased smart meter adoption, customers did not reduce their energy...

Estimating the Educational Production Function in EdTech: Experimental Evidence from Russia

Robert W. Fairlie
Anastasia Kapuza
Elena Kardanova
Prashant Loyalka
Andrey Zakharov
Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

Information, preferences, and household demand for school value added

Robert Ainsworth
Rajeev Dehejia
Miguel Urquiola
In this randomized evaluation in Romania, researchers compared the roles of preferences and information in households’ decision-making, with regard to high school selection. Results suggest that households provided with information on school quality tend to choose schools that have a greater...

ADIE / Creajeunes

Researchers evaluated whether coaching, guidance, and financial support could help young people create and sustain independent businesses. The entrepreneurship training program did not increase entrepreneurship, and participating youth were more likely to be unemployed and earn lower revenues from...

Gender Stereotypes in the Classroom and Effects on Achievement

Seda Ertac
Ipek Mumcu
To better understand gender inequalities in academic achievement, choice of occupation, and labor market outcomes, researchers studied the effect of teachers’ beliefs about gender roles on student achievement in Istanbul, Turkey. Girls who were taught by teachers with traditional gender views had...