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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

Disaggregating the Effects of Deliberation on Policy Attitudes in the United States

Cynthia Farrar
James S. Fishkin
Christian List
Robert Luskin
Researchers evaluated the impact of deliberation on voters’ attitudes about two policy issues: airport expansion and revenue sharing. The results indicate that formal on-site deliberations produced changes in attitudes and increased the likelihood that participants would have ordered, consistent...

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...

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...

The Lightbulb Paradox: Consumer Behavior and Public Policy in the U.S. Electricity Market

Energy-efficient technologies, such as compact fluorescent lightbulbs (CFLs), have the potential to save consumers money, but their adoption remains low. Researchers evaluated the impact of information and price on demand for CFLs in two contexts: an online survey platform and a typical retail...

Providing Vision Screening and Free Eyeglasses in Elementary Schools in the United States

Jongwook Lee
Kristine West
Researchers evaluated the impact on educational outcomes of providing enhanced vision services to low-income elementary school children. Providing vision screening and free eyeglasses significantly increased achievement in two of the three districts studied, while screening without the provision of...