Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1025-1032 of 1266
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Does Campaign Spending Work in the United States?

Alan Gerber
Young girl in pink jacket and hat outside in rural Peru

Changing Pedagogy to Improve Math Skills in Preschools in Peru

Mariana Alfonso
Francisco Gallego
Emma Naslund-Hadley
In Peru, researchers evaluated the impact of a tailored inquiry- and problem-based learning approach on preschoolers’ performance in math. The program improved overall mathematics outcomes, which persisted for some content areas even one year after the program ended.
Two students walking: one's jacket reads 'Peking U"

Non-Coercive Mobilization in State-Controlled Elections in China

Donald Green
Mei Guan
Row of empty polling stations

Social Pressure and Voter Turnout in the United States

Alan Gerber
Donald Green
Christopher Larimer
Father with young children

Small Individual Loans and Mental Health in South Africa

Lia C.H. Fernald
Rita Hamad
Dean Karlan
Emily Ozer
Jonathan Zinman
This evaluation examined the direct impact of providing small consumer loans to marginally creditworthy individuals in South Africa on their credit access, investment, and well-being, as well as the profitability of these loans for lenders. Results found approving loans for marginally creditworthy...
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Understanding the Connection Between Party Affiliation, Partisanship, and Political Beliefs in the United States

Alan Gerber
Gregory A. Huber
Ebonya Washington
High school students studying in a classroom in Chile

Informing Students about Degree Costs and Earnings to Improve Educational Choices in Chile

Justine Hastings
Christopher Neilson
Seth Zimmerman
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Behavioral Responses to a Social Security Information Intervention in the United States

Jeffrey Liebman
Erzo Luttmer