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 689-696 of 1266

The Effects of Kindergarten Classroom on Earnings in the United States

John Friedman
Nathaniel Hilger
Diane Whitmore Schanzenbach
Danny Yagan

The Impact of an Online Math Learning Platform on Test Scores and Attitudes Towards Math in Brazil

Lucas Finamor
Lycia Lima
Researchers conducted a randomized evaluation to measure the impacts of the Khan Academy’s online platform on math scores in Brazilian public schools. Despite improving student’s attitudes towards math, the program had mixed impact on students’ test scores depending on program implementation and...

The Impact of Loans on the Survival and Performance of Small and Medium Enterprises (SMEs) in Colombia

In Colombia, researchers are evaluating the economic impact of providing stimulus loans to SMEs, distributed via the government’s COVID-19 relief program (“Unidos por Colombia”), on SME survival, profits, and employment.

Assessing the Effectiveness of Alternative Text Messages to Improve Collection of Delinquent Fines in the United Kingdom

Rory Gallagher
Laura Haynes
Peter John
David Torgerson
The collection of delinquent fines is a massive public administrative challenge. In the United Kingdom for instance, unpaid court fines amounted to more than £600 million in 2011. Managing noncompliant accounts and dispatching bailiffs to collect fines in person is costly. Researchers used a...