Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 193-200 of 1288

The Impacts of Mental Health Treatment on Productivity in India

Researchers evaluated the impact of providing depression treatment and economic assistance on mental health and economic behavior in peri-urban communities near Bangalore, India. Treatment reduced depression severity, a benefit that persisted when paired with light-touch livelihoods assistance, but...

Positive Psychology for Psychological Well-Being and Decision-Making in Kenya

In Kenya, researchers conducted a randomized evaluation to test the impact of a light-touch positive psychology intervention on psychological well-being and economic decision-making for low-income populations. The intervention had a positive impact on gratitude; however, it had no significant...

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...

Impacts of Flexible Loans on Borrower Behavior and Microenterprise Outcomes in Colombia

Lasse Brune
Xavier Giné
Researchers evaluated the impact of a flexible microloan product on new clients' repayment behavior, business outcomes, and client satisfaction. The results showed that the flexible loan led to some shifts in investment behavior but had no average impact on revenue or profits and led to higher...

Gender Violence and School Achievement in Mozambique

In Mozambique, researchers are evaluating the GBV and schooling impacts of implementing a GBV curriculum targeted at students.

Using Technology to Improve Direct Benefit Transfer in India

Eric Dodge
Charity Troyer Moore
Can using technological innovations for monitoring improve the administrative implementation of social protection programs? In partnership with the Ministry of Rural Development in two states in India, researchers conducted a randomized evaluation of a new internet- and mobile-based management and...

Decreasing Mobile Money Vendor Misconduct through Information Sharing in Ghana

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

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.