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 41-48 of 219

The Impact of Mass Media and Family Planning Campaigns on Contraception Use in Burkina Faso

Researchers evaluated the impact impact of both general exposure to mass media and an intensive family planning campaign on contraception. Increasing exposure to general mass media reduced contraception use in this context. However, a high-quality family planning radio campaign offset the negative...

Reducing Covid-19 Infections and Holiday Travel through Social Media Campaigns in the United States

By running a Facebook public health campaign, researchers found that social media messaging from doctors and nurses reduced holiday travel and subsequent Covid-19 infection rates. This suggests that social media campaigns may be an impactful and cost-effective way to slow the spread of Covid-19 and...

Giving effective information to fight COVID-19

Sergio Bautista
Enrique Seira Bejarano
Martin Lajous
Researchers are conducting a randomized evaluation to test the impact of public health messages on hand washing and compliance with government mandated guidelines in Mexico.

The Effect of Informative Letters on the Prescription and Receipt of Seroquel in the United States

Shantanu Agrawal
Michael Barnett
Frank Tetkoski
David Yokum
This study evaluated the impact of strongly-worded peer comparison review letters sent to high prescribers of quetiapine by the Centers for Medicare & Medicaid Services (CMS) on prescribing behavior and patient-level outcomes. Researchers found that the letters caused substantial and long-lasting...

Contracting for Health in Cambodia

Indu Bhushan
Erik Bloom
David Clingingsmith
Rathavuth Hong
Elizabeth King
Brad Schwartz

The Effects of Free Drinking Water Treatment on Child Survival in Kenya

Ricardo Maertens
Brandon Joel Tan
Diarrhea is a leading cause of death in children under the age of 5, but adding small amounts of chlorine into water can treat water and prevent a large number of these deaths. Providing free dispensers for chlorine to treat water reduced under-five mortality. Children living in villages with dilute...

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...