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 161-168 of 1276

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

Thomas Clasen
Erin Crossett
Karen Grepin
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...

The Impact of Cash Transfers on the Educational Attainment, Sexual Behavior, and HIV Status of Adolescent Girls in Malawi

Ephraim Chirwa
Richard Garfein
Berk Ozler
In Malawi, researchers tested the relative effects of providing conditional and unconditional cash transfers to teenage girls and their families. Among girls enrolled in school at the start of the program, conditional cash transfers increased school attendance and reduced HIV prevalence while...

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...

The Impact of Poverty Reduction on Child Health, Nutrition, and Sleep in the United States

Nathan Fox
Sarah Halpern-Meekin
Emma Hart
Alicia Kunin-Batson
Katherine Magnuson
Kimberly Noble
Jessica Sperber
Hiro Yoshikawa
To understand the causal impact of poverty reduction on children’s health, nutrition, sleep, and healthcare utilization, among other outcomes, researchers randomly assigned new mothers to receive an unconditional cash transfer of $333 (high-cash group) or $20 per month (low-cash group) in the Baby’s...

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...

Instruction and Financial Incentives to Improve Covid-19 Knowledge in Mozambique

James Riddell IV
James Allen IV
Arlete Mahumane
Tanya Rosenblat
Hang Yu
In Mozambique, researchers conducted a randomized evaluation to test whether teaching about Covid-19 prevention and/or financial learning incentives enhanced participants’ knowledge related to Covid-19. They found that both interventions improved Covid-19 knowledge separately and, moreover...

The Impact of a Formal Savings Intervention in Sri Lanka

Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior...

Afghanistan Targeting the Ultra-Poor Impact Evaluation

Guadalupe Bedoya
Aidan Coville
Mohammad Isaqzadeh
Jeremy Shapiro
In Afghanistan, researchers evaluated the impact of a Targeting the Ultra Poor program on poverty reduction. The cost-effective program generated large positive impacts for women participants across key outcomes: consumption, assets, psychological well-being, total time spent working, financial...