Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 49-56 of 217

Designing Incentives to Combat Urban Diabetes in India

In partnership with the Government of Tamil Nadu, researchers evaluated the impact of incentivizing and monitoring walking on exercise and health. Incentives increased walking and improved health, as measured by risk factors for diabetes and by mental health.

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Stephen Luby
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...

Clinical Decision Support for Outpatient High-Cost Radiology Ordering in the United States

Bruce Darrow
Joseph Doyle
Joseph Kannry
Madhu Mazumdar
David Mendelson
Researchers are studying the impact of a clinical decision support system on the ordering of high-cost scans.

Improving Preschool Quality in Colombia

Alison Andrew
Lina Cardona-Sosa
Sonya Krutikova
Marta Rubio-Codina
Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

The Effect of India's Total Sanitation Campaign on Defecation Behaviors and Child Health in Rural Madhya Pradesh, India

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

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
Stephen Luby
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...

The Impact of Workers’ Financial Stability on Their Workplace Productivity in India

Researchers conducted a randomized evaluation to gauge whether enhanced financial stability impacted worker productivity in India. They found that giving small-scale manufacturing workers financial relief in the form of early wage payments increased their productivity and attention to detail on the...