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Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel

Cash Transfers’ Effects on Food Consumption in Mexico

Carlos Chiapa
Silvia Prina
Irvin Rojas
Researchers conducted a randomized evaluation to test the impact of the anti-poverty cash transfer program, PROSPERA, on food consumption for families living in poverty in Mexico. Households consumed enough food both before and after receiving the cash transfer.

Improving Yields and Health through a High-Yielding Rice Variety (NERICA) in Sierra Leone

Improved crop varieties have the potential to produce higher yields than traditional varieties, but rural farmers often do not have the knowledge to properly grow these crops. Researchers seek to understand how providing different amounts of training on how to cultivate NERICA-3, a high-yield but...

The Effect of India's Total Sanitation Campaign on Defecation Behaviors and Child Health

Benjamin Arnhold
Bertha Briceno
Sandipan Ganguly
John M. Colford Jr.
Sumeet R Patil
Alicia L. Salvatore

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Harsha Thirumurthy
Damien de Walque
Joshua Graff Zivin
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Peer Group Assignment and Student Achievement in the United States

Researchers evaluated the impact of creating peer groups optimized to improve the academic achievement of lower-ability first-year students at the United States Air Force Academy. Placing lower-ability students in the optimized groups, which mixed them with a relatively large number of peers with...

Student Incentive Structures in Malawi

Hyuncheol Kim
Hyuk Harry Son
Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...

Video-based Group Extension for Women Farmers in India

Tushi Baul
Kentaro Toyama
Kathryn Vasilaky
In partnership with Digital Green and Jeevika, researchers conducted a randomized evaluation in Bihar, India, to assess the impact of a video-based training on female farmers’ adoption of a climate-smart technique called System of Rice Intensification (SRI), and their yields and profits. Farmers...