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.

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Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Harsha Thirumurthy
Damien de Walque
Joshua Graff Zivin
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Celebrity Twitter Endorsement for an Immunization Public Health Campaign in Indonesia

Vivi Alatas
Markus Mobius
Cindy Paladines
Researchers conducted a randomized evaluation on measuring the impact of celebrity Twitter endorsement for a child immunization campaign on the public’s opinion and behavior towards immunization. Celebrity endorsement increased Twitter engagement with the immunization campaign, primarily when...

Priming Adverse Events and Reports of Depression in Nigeria

Kevin McGee
Gbemisola Oseni
Julie Perng
Ryoko Sato
Tomomi Tanaka
Renos Vakis
To better understand how to measure and report depression, researchers randomized the order of questions in a national survey to examine the effect of triggering memories of difficult events, such as conflicts, shocks, and death, on reported levels of depression across households in Nigeria. They...

Increasing Tuberculosis Detection through Incentivized Peer Referrals in India

Pradeep Chintagunta
Mario Macis
Researchers conducted a randomized evaluation to measure the impact of peer referrals by current patients on the screening and identification of tuberculosis cases in India. Peer referrals and outreach by current patients to identified peers were more effective than health-worker led contact-tracing...

Improving the Targeting of Preventive Health Subsidies through Vouchers in Western Kenya

Vivian Hoffman
Alix Peterson Zwane
In Western Kenya, researchers compared three different approaches to subsidizing dilute chlorine solution to treat drinking water: a partial subsidy, a twelve month supply of free chlorine through monthly vouchers, and a twelve month supply of free chlorine hand-delivered. Safe water rates were much...

Community Based Strategies to Reduce Maternal Mortality in Northern Nigeria

Jessica Leight
Vandana Sharma
In northern Nigeria, researchers evaluated the impact of three community-based interventions designed to enhance uptake of maternal and child health services: a community health worker program, health educators with the provision of safe birth kits, and health educators with community dramas. While...

Training Informal Healthcare Providers to Improve the Quality of Care in India

Informal healthcare workers with little to no training provide more than 70 percent of all primary care in rural India. In this study, researchers evaluated the impact of a nine-month training...

The Impact of a Gender-Transformative Participatory Intervention on Intimate Partner Violence and HIV Risk Behaviors in Ethiopia

Negussie Deyessa
Jessica Leight
Vandana Sharma
Samuel Tewolde
Fabio Verani
Researchers evaluated the effect of a gender-transformative skills-building program on IPV incidence, HIV risk behaviors, and other health outcomes in rural Ethiopia. Overall, the program led to reductions in IPV when delivered to groups of men, but not when delivered to couples or to women only...