Blog

News

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

The Impact of Offering Awards on Health Worker Learning in Zambia

Researchers in Zambia introduced different kinds of awards and information on performance rankings into a year-long training for community health workers to evaluate their impact on how much trainees learned. They found that awards focused on offering recognition and improving trainees’ status and...

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Gustavo Duncan
Benjamin Lessing
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.

Using Cell Phones to Monitor the Delivery of Government Payments to Farmers in India

Researchers conducted a randomized evaluation to test the impact of a cell phone-based monitoring system on the delivery of government-issued payments for farmers in Telangana, India. The system significantly improved the likelihood of farmers ever receiving their payments as well as receiving them...

Providing a Collaborative Civic Education Program to Students in France, Greece, and Spain

Sandra McNally
Jenifer Ruiz-Valenzuela
Daniel Santín
Researchers evaluated the impact of a civic education program involving learning-by-doing and student-centered teaching approaches in middle schools across three European countries. The program increased students’ academic performance, respect for school rules, and friendship networks with people...

Diffusing New Seeds through Social Networks in Indian Village Economies

The researcher conducted a randomization in rural Odisha in India, by comparing adoption of a new seed variety through farmer-to-farmer networks in one half as benchmarked by door-to-door sales of the same seed. Trading between farmers leads to substantial under-adoption of agricultural technology...

The Indirect Effects of a Campaign Against Electoral Violence in Nigeria

Researchers conducted a randomized evaluation in Nigeria to determine whether a campaign against electoral violence could spread through social networks to affect the perceptions and behaviors not only of the individuals targeted by the campaign but also others to whom they have social ties. The...

The Impact of Exposure to Discordant Media on Political Polarization in Turkey

Ahmet Akbiyik
Jeremy Bowles
Researchers evaluated the impact of exposure to and incentives to consume discordant media on political attitudes and behaviors in Turkey. Participants changed their media consumption habits, trusted discordant media sources more, and had less polarized attitudes towards the government, but did not...

Community Service Grants to Foster Social and Economic Integration for Youth in Kazakhstan

In Kazakhstan, researchers tested whether offering youth community service grants and training impacted their level of community engagement, pro-social behavior, life skills, and labor market outcomes. Engaging youth in civic service and/or training had little to no effect on these outcomes one-year...