Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1-8 of 203

The Impact of Poverty Reduction Among New Mothers on Child Brain Development in the United States

Molly A. Costanzo
Nathan Fox
Sarah Halpern-Meekin
Katherine Magnuson
Kimberly Noble
Sonya V. Troller-Renfree
Hirokazu Yoshikawa
Researchers evaluated the impact of poverty reduction via an unconditional cash transfer to mothers on child neurodevelopment. Children in families that received a $333 monthly transfer displayed different brain activity patterns than children whose mothers received only $20 a month.

Closing the Word Gap with Big Word Club: Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program

Researchers evaluated the Big Word Club, a classroom-based digital learning program designed to increase the vocabulary of young children, to assess the program’s impact on children’s receptive vocabulary. Researchers found that the Big Word Club increased students’ knowledge and retention of words...

The Oregon Health Insurance Experiment in the United States

Heidi Allen
Mira Bernstein
Jonathan Gruber
Joseph P. Newhouse
Eric Schneider
Jae Song
Bill Wright
Alan Zaslavsky

Prescribing Food as Medicine among Individuals Experiencing Diabetes and Food Insecurity in the United States

John Bulger
John Cawley
Joseph Doyle
Andrea Feinberg
Diabetes is one of the most prevalent diseases in the United States and is closely linked to food insecurity. Researchers evaluated the impact of an intensive food-as-medicine program that provides fresh food and diabetes education on health and health care utilization for individuals experiencing...

Changing Financial Incentives for Medicare Providers to Encourage Home Dialysis in the United States

Liran Einav
Yunan Ji
Researchers analyzed the impact of a new reimbursement model to incentivize end-stage kidney disease providers and facilities to provide home dialysis on home dialysis rates. During the first year of the study, there was no statistically significant difference in home dialysis rates between hospital...

Structured Study Time, Self-Efficacy, and Tutoring

In this study, researchers evaluated scalable methods to improve student retention and performance in an online course, with the goal of improving meaningful access to this resource.