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 97-104 of 1222

Evaluating the Impact of a Growth Mindset Intervention in Argentina

In Argentina, a researcher evaluated whether informing students of their potential could be a cost-effective way to increase motivation and improve educational outcomes among secondary school students. They found that the intervention did not impact students’ perceptions of the difficulty of school...

Evaluating the Impact of Online Education in Russia

Igor Chirikov
René Kizilcec
Natalia Maloshonok
Tatiana Semenova
Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

Sending Reminders to Improve Tax Filing Decisions Among Low-Income Individuals in the United States

John Guyton
Patrick Langetieg
Mark Payne
Brenda Schafer
Michael Sebastiani
This study examines how reminders to file taxes affect tax filing decisions among low-income individuals who did not appear on a filed tax return. The results of two randomized evaluations demonstrate that one-time reminders increase tax filing—both to claim tax refunds as well as to voluntarily pay...

Testing the impact of antimalarial discounts on overtreatment in Mali

Carolina Lopez
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

The Impact of Providing Land Tax Subsidies, Local Monitoring, and Minikits on Irrigation Use in Rwanda

Maria Jones
Florence Kondylis
John Loeser
Building off of previous quasi-experimental research, researchers conducted three randomized evaluations to test the impact of providing farmers with land tax subsidies, different ways of monitoring water access and the canal’s operations and maintenance, or farming minikits on farmers' use of...

The Impact of Teaching Teachers to Use Computer Assisted Learning on Student Math Performance in the United States

Researchers conducted two randomized evaluations to test the impact of coaching teachers on integrating CAL in their elementary and middle school mathematics instruction in two large, diverse school districts in the United States. The intervention led to improved math performance in one evaluation...

Parent Empowerment Through Primary School Community Grants in Niger

Elizabeth Beasley
Elise Huillery
Researchers examined the short-term responses of a grant to school committees and find that overall, parents increased participation and responsibility, but these efforts did not improve overall school quality. Enrollment at the lowest grades increased and school resources improved, but teacher...

Improving Educational Outcomes through Online Tutoring during Schools Closures in Italy during the Covid-19 Outbreak

Researchers designed a free online tutoring program delivered by volunteer university students to test whether it could mitigate the effects of school closures during the COVID-19 outbreak. They found that the program had a positive outcome on students' learning outcomes, socio-emotional skills, and...