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 73-80 of 257
A boy collects drinking water from a well in Rwanda.

The Impact of Community-Based Environmental Health Promotion Program on Child Health in Western Rwanda

Thomas Clasen
Erin Crossett
Karen Grepin
James Habyarimana
William Jack
Leodomir Mfura
Bernard Ngabo Rwabufigiri
Wolf-Peter Schmidt
Sheela Sinharoy
Ronald Wendt
In western Rwanda, researchers evaluated the impact of community health clubs on household take-up of healthy behaviors and on the health of children under 5 years of age. The program had minimal impact on household behaviors and no impact on caregiver-reported rates of diarrhea among children under...
A man washes his hands with soap.

Using Peer Pressure to Encourage Handwashing in Argentina

Researchers examined the impact of peer pressure on handwashing behavior by varying whether men using a restroom in Buenos Aires, Argentina were observed by another restroom user. They found that being observed increased urinal flushing by 26.7 percent and handwashing by 19 percent, suggesting that...
Two girls talk to each other while looking at something on a laptop.

Online Sexual Education Modules for Schools in Urban Colombia

Alberto Chong
Marco Gonzalez-Navarro
Dean Karlan
Martin Valdivia
In Colombia, researchers evaluated the impact of an online sexual health course implemented in public middle schools on adolescents’ sexual health knowledge, behavior, and attitudes towards sexual health. The study showed that the online course led to improved sexual health knowledge and attitudes...
Doctor with blue uniform hands malaria treatment medication to patient in Uganda

The Impact of Packaging and Messaging on Adherence to Malaria Treatment in Uganda

Jessica Cohen
Indrani Saran
Researchers evaluated the effects of different medication packaging and messaging on individuals’ adherence to malaria treatment in Uganda. They found that colorful, “high quality” packaging had no effect, while adding low-cost stickers with simple informative messaging to existing packaging...
A group of female passengers look at public health campaigns on phones while sitting on a train in Indonesia.

Celebrity Twitter Endorsement for an Immunization Public Health Campaign in Indonesia

Vivi Alatas
Arun Chandrasekhar
Markus Mobius
Ben Olken
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...
Two men filling safe drinking water in buckets with two women watching

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

Pascaline Dupas
Vivian Hoffman
Michael Kremer
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...
Monitoring Patient Compliance with Tuberculosis Treatment Regimes in Pakistan

SMS Reminders for Patient Compliance with Tuberculosis Treatment in Pakistan

Rachel Glennerster
Aamir Khan
Shama Mohammed
In this study, researchers evaluated the impact of daily SMS medication reminders on treatment outcomes for tuberculosis patients. The study found that SMS reminders had no impact on treatment outcomes, self-reported adherence to the treatment regime, or self-reported physical and psychological...
Elderly man with beige sweater speaking about injuries in France

Avoiding Injuries at Home for Older People in France

Simon Beck
Bruno Crépon
Lucile Romanello
Researchers conducted a randomized evaluation to understand whether providing information about the risk of accident and methods for prevention, or incentives to install home safety measures affect take-up of a home safety adaptations program. Cost reduction incentives and information disclosures...