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 105-112 of 251

Priming Adverse Events and Reports of Depression in Nigeria

Julian Jamison
Kevin McGee
Gbemisola Oseni
Julie Perng
Ryoko Sato
Tomomi Tanaka
Renos Vakis
To better understand how to measure and report depression, researchers randomized the order of questions in a national survey to examine the effect of triggering memories of difficult events, such as conflicts, shocks, and death, on reported levels of depression across households in Nigeria. They...
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Improving Preschool Quality in Colombia

Alison Andrew
Orazio Attanasio
Raquel Bernal
Lina Cardona-Sosa
Sonya Krutikova
Marta Rubio-Codina
Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...
Image of apartment buildings in New York City

Evaluating the Impact of Moving to Opportunity in the United States

Emma Adam
Raj Chetty
Greg Duncan
Lisa A. Gennetian
Nathaniel (Nathan) Hendren
Paul Hirschfield
Lawrence Katz
Ronald C. Kessler
Jeffrey Kling
Jeffrey Liebman
Stacy Tessler Lindau
Jens Ludwig
Thomas W. McDade
Joshua C. Pinkston
Lisa Sanbonmatsu
Robert C. Whitaker
Female street vendor in Managua, Nicaragua

Extending Health Insurance to the Informal Sector Through Microfinance in Nicaragua

Freddy Solis Diaz
Erica Field
Anne Fitzpatrick
Martha Azucena Gonzalez
Laurel Hatt
Mursaleena Islam
Rebecca Thornton
This evaluation measured the determinants of insurance enrollment as well as the impacts of having insurance for informal sector workers by randomly varying the costs and convenience of signing up for a government health insurance program available to formal and informal sector workers in Nicaragua...
Chinese child seated at desk holds open white packet

Multiple Tasks and Multiple Rewards: Evidence on Performance Incentives from Health Programs in China

Renfu Luo
Grant Miller
Scott Rozelle
Sean Sylvia
DNA swab of saliva taken from woman

The Demand for and Impact of Learning HIV Status in Malawi

Nicole Angotti
Agatha Bula
Lauren Gaydosh
Susan Godlonton
Eitan Zeev Kimchi
Rebecca Thornton
Sara Yeatman
Researchers evaluated the Malawi Diffusion and Ideational Change Project (MDICP), which sought to explore the demand for, and the impact of, learning one’s HIV status. While even very small incentives encouraged people to return for their HIV test results, rapid testing in the home had the greatest...

Assessing the effect of conditional cash transfers on pregnancy outcomes in France

Marc Bardou
Xavier Carcopino-Tusoli
Bruno Crépon
Catherine Deneux-Tharaux
Philippe Deruelle
Muriel Doret-Dion
Esther Duflo
Astrid Eckman-Lacroix
Frédérique Falchier
Isabelle Fournel
Aurélie Godard-Marceau
Ghada Hatem-Gantzer
Laurent Laforet
Nicolas Meunier-Beillard
Mathieu Morin
Franck Perrotin
Tiphaine Raia-Barjat
Isabelle Le Ray
Thomas Schmitz
Elise Thellier
Women carrying food in Tanzania.

Incentivizing Safe Sex in Rural Tanzania

Ramadhani Abdul
Faraji Abilahi
Matthieu Alexandre
William Dow
Erick Gong
Zachary Isdahl
Julian Jamison
Boniphace Jullu
Suneeta Krishnan
Albert Majura
Carol A. Medlin
Edward Miguel
Jeanne Moncada
Sally Mtenga
Mathew Alexander Mwanyangala
Rose Nathan
Laura Packel
Julius Schachter
Kizito Shirima
Damien de Walque
In Tanzania, researchers examined whether making cash payments conditional on testing negative for sexually transmitted infections (STIs) can improve safe sex practices among young adults. They found that offering cash incentives of US$20 significantly reduced STI rates after one year, although...