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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

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Using Mobile Phones to Connect Politicians and Voters in Pakistan

In Pakistan, researchers are evaluating the impact of using mobile phones to directly connect politicians with voters and give voters the opportunity to provide real-time feedback to their elected representatives.

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

Gashaw Abate
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...

Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program in the United States

Researchers evaluated the impact of a vocabulary improvement “edutainment” program for young children, Big Word Club, on children’s receptive vocabulary. Researchers found that the Big Word Club increased students’ knowledge and retention of words included in the program without detracting from...

Job Training and Matching to Increase Youth Employment in Egypt

Kevin Hempel
Researchers conducted a randomized evaluation to determine the impact of job matching, job training, and counseling programs on youth employment in Egypt. The job training programs improved labor market outcomes such as employment, particularly for women. However, the intervention did not have a...

Diffusion of Agricultural Information within Social Networks: Evidence on Gender Inequalities from Mali

Researchers conducted a randomized evaluation in Mali to study the role of giving information to different people within a network in the spread of that information. People who were social and more closely connected to those who were trained had more information. Female farmers were less likely to...

Providing Primary Education for Foundational Literacy and Numeracy in Guinea Bissau

Peter Boone
Ila Fazzio
Jenny Hsieh
Robin Lumsdaine
Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.