Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 209-216 of 251

HIV/AIDS Prevention Through Relative Risk Information for Teenage Girls in Kenya

To test the impact of information on teenagers’ sexual decisions, a “Relative Risk Information Campaign” was conducted in 71 schools to give students information about the distribution of HIV infection rates by age and gender groups and discuss the role of cross-generational sex in the spread of HIV...

Can Lotteries Help Prevent HIV Among Youth? Evidence from Lesotho

Researchers conducted a randomized evaluation to test the impact of lottery-based financial awards given to young individuals who tested STI-negative on their likelihood of contracting HIV and engaging in risky sexual behavior. The intervention provided frequent rewards at short intervals to bring...

Demand for Rainwater Harvesting Devices in Uganda

In Uganda, researchers studied the demand for rainwater storage devices, the effectiveness of various marketing strategies in promoting them, and their impact on indicators such as school attendance and women’s participation in the labor market.

Applying Behavioral Insights to Design Low-Income Insurance Policies in Pakistan

Torben Fischer
Andreas Landmann
This evaluation tested whether offering insurance policies that required enrollment at different group levels mitigated the risk of individuals who are more likely to need health insurance being more likely to purchase policies. When allowed to purchase insurance at the individual level, those most...

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...

The Impact of Social Interactions on a Household's Aspirations and Investments in Nicaragua

In Nicaragua, researchers examined the impact of interacting with motivated community leaders on aspirations, household investment, and long-term living standards. They found that social interactions with these motivated community leaders increased households’ investments in education, nutrition...

Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change: Evidence from Sonargaon, Bangladesh

In Bangladesh, researchers evaluated the impact of different selling schemes on demand for water testing, and the impact of test results on switching to a safer well. Although group test sales and well safety placards increased substantially the likelihood that households switched to a possibly...

The Impact of Nursery Quality, Empowerment, and Nutrition Interventions on Early Childhood Development and Women’s Employment in Egypt

Researchers are conducting a randomized evaluation to test the impact of a package of interventions with the aim of improving the quality of nurseries, enhancing nutrition, and empowering women to address poverty and promote early childhood development in Egypt.