Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 25-32 of 1270

Combating Misinformation using Fact-Checking via WhatsApp in South Africa

Jeremy Bowles
Kevin Croke
John Marshall
Researchers conducted a randomized evaluation to assess how fact-checks regularly sent to participants through WhatsApp can affect their ability to discern false information, as well as their beliefs and attitudes related to topics subject to viral misinformation, particularly Covid-19. Overall, the...

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...

Increasing Caloric Intake to Improve Hours Worked, Earnings, and Physical and Cognitive Abilities in India

Low-income populations throughout the world often consume very few calories. At the time of this intervention in 2013, over 800 million people globally consumed fewer calories than were recommended to maintain a healthy weight. However, the impact of low caloric intake on economic productivity is...

The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

The Impact of Reliable Electricity on Maternal and Newborn Healthcare in Rural Uganda

Brian Mwesigwa
Slawa Rokicki
Laura Schmucker
Peter Waiswa
In Uganda, researchers are evaluating the impact of the “Solar Suitcase” designed specifically for maternity care facilities on the reliability of light, quality of care, and health worker satisfaction.

The Role of Patient Complaints on Health Provider Performance in Kenya

Poor infrastructure, limited access to medicine, poor service provision, and a lack of accountability often lead to poor health outcomes in many developing countries. Researchers conducted a lab-in-the-field randomized experiment to evaluate patients’ willingness to file complaints against service...

The Impact of Discounting the Cost of Medicine on Overprescriptions in Mali

Carolina Lopez
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

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.