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 121-128 of 1288

The Role of Protest Experience and Social Networks in Protest Movements in Hong Kong

Davide Cantoni
Noam Yuchtman
Y. Jane Zhang
In Hong Kong, researchers conducted a randomized evaluation to test the impact of indirectly incentivizing protest participation on sustained participation in a political movement and to identify the role social networks play in protest turnout. Indirectly incentivizing participants to attend a...

Reducing Parent-School Information Gaps and Improving Education Outcomes: Evidence from High-Frequency Text Messages

Samuel Berlinski
Mattias Busso
Claudia Martinez
Researchers conducted a randomized evaluation to test the impact of regular informational text messages to parents on children’s academic performance. The intervention improved math grades and attendance, although it did not impact negative classroom behavior on average. These effects were generally...

Information and College Access in Canada

Ryan Dunn
Researchers examined whether a simple, inexpensive information campaign could change students’ knowledge and perceptions about post-secondary education. When exposed to an informational video, students who had been initially unsure about pursuing higher education reported expectations of higher...

Student Plagiarism and Rational Ignorance in the United States

Thomas S. Dee
By subjecting the papers to an electronic anti-plagiarism program, researchers found that the tutorial significantly reduced the likelihood of plagiarism, particularly among students with lower college entrance scores who had the highest rates of plagiarism. A follow-up survey suggests that the...

Do Better Schools Lead to Better Academic Outcomes for Children Facing Barriers to Learning in the United States?

Julie Berry Cullen
Researchers used Chicago’s school choice program, which uses a random lottery to allocate slots in elementary schools, to evaluate how the opportunity to attend a higher-quality school impacts academic achievement. They found that lottery winners are more likely to attend higher-performing schools...

The Effects of Kindergarten Classroom on Earnings in the United States

John Friedman
Nathaniel Hilger
Diane Whitmore Schanzenbach
Danny Yagan
Researchers measured the effect of class size, teacher quality, and classroom quality on earnings and other future outcomes for children participating in the Student/Teacher Achievement Ratio (STAR) project in Tennessee. The study found that smaller class sizes raised college attendance, more...

Information Disclosure, Incentives, and Energy Costs in the United States

Richard Sweeney
Researchers worked with a large nationwide retailer in the United States to test whether sharing information, and providing subsidies and sales incentives had an effect on the demand for energy efficient water heaters. Results showed that information alone did not increase demand, and a $100 rebate...

The Impact of Packaging and Messaging on Adherence to Malaria Treatment in Uganda

Indrani Saran
Researchers evaluated the effects of different medication packaging and messaging on individuals’ adherence to malaria treatment in Uganda. They found that colorful, “high quality” packaging had no effect, while adding low-cost stickers with simple informative messaging to existing packaging...