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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

The Impact of Sanitation and Hand-Washing Promotion Campaigns on Child Health in Tanzania

Bertha Briceno
Aidan Coville
Sebastian Martinez
Researchers conducted a randomized evaluation to measure the impact of sanitation and hand-washing promotion campaigns, alone and in combination, on household knowledge, behavior, and child health (diarrhea prevalence, stunting, wasting, and anemia). While the program improved hygiene and sanitation...

Impact of Watchdog Journalism on Public Service Provision in Tanzania

Researchers examined the impact of local watchdog journalism investigations on public service provision. Local journalism improved government performance and service delivery, likely by helping central governments monitor bureaucrats at the district-level.

The Impact of Mask Distribution and Promotion on Mask Uptake and Covid-19 in Bangladesh

Jason Abaluck
Jade Benjamin-Chung
Neeti Zaman Bintee
Emily Crawford
Muhammad Maqsud Hossain
Ellen Bates Jefferys
Alamgir Kabir
Laura H Kwong
Shadman Rahman
Shabib Raihan
Hasan Mahmud Reza
Ashley Styczynski
Peter J. Winch
Researchers partnered with Innovations for Poverty Action and Bangladeshi policymakers to test various strategies to increase mask-wearing and assess the impact of community mask wearing on SARS-CoV-2 infection rates. They found that a four-part intervention tripled mask usage and increased physical...

Incentivizing Physical Activity to Improve Mental Health During Covid-19 Disruptions in the United States

Osea Giuntella
Kelly Hyde
Silvia Saccardo
Researchers conducted a randomized intervention to measure the impact of financial incentives for reaching daily step goals on physical activity and depression risk during the Covid-19 pandemic, to better understand the association between physical activity and mental health. While program...

The Impact of Poverty Reduction Among New Mothers on Child Brain Development in the United States

Molly A. Costanzo
Nathan Fox
Sarah Halpern-Meekin
Katherine Magnuson
Kimberly Noble
Sonya V. Troller-Renfree
Hirokazu Yoshikawa
Researchers evaluated the impact of poverty reduction via an unconditional cash transfer to mothers on child neurodevelopment. Children in families that received a $333 monthly transfer displayed different brain activity patterns than children whose mothers received only $20 a month.

Matching Small Firms with Apprentice Workers in Ghana

Researchers evaluated the effects of a national apprenticeship training program on the firms that received apprentices. Firms that received apprentices increased their profits as well as employment.

Impacts and Challenges of a Teacher Training Program in Nepal

Julie Schaffner
Uttam Sharma
Training teachers to improve teacher quality and student learning is a common strategy taken by policymakers. In Nepal, researchers conducted a randomized evaluation of a government teacher training program for math and science teachers to evaluate the impact on student learning in secondary schools...

Offering Amenities to Increase Health Care Demand in Mexico

Researchers conducted an evaluation to test the impact of offering a high-amenity diagnostic consultation for cataracts at different prices on uptake of an underutilized service—cataract surgery—in Mexico. Lower prices for the high-amenity consultation increased exposure to amenities, which...