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 1-8 of 1287
Extension worker plays video in training

Video-Mediated Agricultural Extension to Increase Technology Adoption Among Farmers in Ethiopia

Gashaw Abate
Tanguy Bernard
Simrin Makhija
David J. Spielman
Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...
People standing at the flooded bank of the Kosi river

Disseminating Flood Warnings to Increase Disaster Preparedness in India

Maulik Jagnani
Rohini Pande
Researchers are conducting a randomized evaluation to test the impact of providing flood early warnings to rural households through smartphone alerts and community volunteers on their flood preparedness and responsiveness, as well as post-flood health and economic outcomes.
Friendship and Matching

Integration through friendship – evidence form a peer matching program in Sweden

Increasing levels of migration to the European Union have created significant challenges for governments to ensure migrants fully integrate and thrive in their host societies, but there is little rigorous evidence that evaluates current programs that promote social inclusion. Researchers are...
A person fills out a voter registration form on a table with an American flag.

The Impact of Targeted Mailers to Re-Engage US Voters with Criminal Convictions

Jennifer Doleac
Laurel Eckhouse
Eric Foster-Moore
Allison Harris
Hannah Walker
Ariel White
Researchers evaluated the impact of targeted mailings encouraging people with criminal records to register to vote on voting behavior in North Carolina. Mailers increased both voter registration and general election turnout among people with past criminal convictions.
Market with fruits and vegetables. Women exchanges money with merchant for groceries.

Digital Delivery of Humanitarian Aid to Improve Food Security of Women in Afghanistan

Michael Callen
Miguel Fajardo-Steinhäuser
Michael Findley
Tarek Ghani
Researchers evaluated a program delivering digital aid payments on food security and mental well-being for vulnerable female-headed households in Afghanistan. Digital payments led to improved food security and mental well-being for beneficiaries. Digital delivery of aid was also cost-effective and...
Watermelons at a local market in China

Laser-Branding Technologies to Increase the Quality of Watermelons in Chinese Markets

Researchers conducted a randomized evaluation to test the impact of different types of labels to signal product quality on sellers’ ability to develop a reputation for consistently selling high-quality watermelons in China. The more expensive laser-cut label influenced sellers to provide higher...
J-PAL logo

Soft Skills Training on Enterprise and Employment Growth in Tanzania

In this study, researchers explored the impact of a soft-skills training program on youth employment.
Community members attend a community accountability meeting with their local political leader to discuss health care quality in the Ankole Region of Uganda.

Governance Interventions to Improve Public Health Delivery in Uganda

Joshua Greenberg
The researcher conducted a pilot randomized evaluation to test the feasibility of a regular community accountability meeting program and a politician health leadership program, as well as the feasibility of associated data collection activities. Both interventions realized considerable stakeholder...