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 137-144 of 257

Circumcision, Information, and HIV Prevention in Malawi

Researchers evaluated an information campaign in rural Malawi to examine the impact of providing information about voluntary medical male circumcision and HIV transmission risk on beliefs and sexual behavior. The program reduced risky sexual behavior among uncircumcised men, but did not increase...

The Impact of Cognitive Behavioral Therapy on Low-Income Individuals in Rural Ghana

Nathan Barker
Angela Ofori-Atta
Researchers worked with Innovations for Poverty Action and the University of Ghana Medical School to design, implement, and conduct a randomized evaluation of the impacts of a group CBT curriculum on low-income individuals in rural Ghana. CBT improved participants’ mental and physical well-being...

Peer Effects, Diversity, and College Roommates in the United States

Johanne Boisjoly
Jacque Eccles
Researchers in the United States assessed the impact on college students of having a roommate from a different race. White students assigned to a black roommate were more likely to endorse affirmative action policies than those assigned to a white roommate. Other factors, such as having roommates...

Empowering Citizens through Community-Based Development Empower Citizens in Ghana

Researchers conducted a randomized evaluation to test the impact of community-based development on political participation, public goods provision, and individual well-being in Ghana. They found that, although the community engagement program led to changes in local leadership, it was not an...

The Effectiveness of Provider Incentives for Anemia Reduction in Rural China

Patricia Foo
Renfu Luo
Reynaldo Martorell
Alexis Medina
Scott Rozelle
Yaojiang Shi
Sean Sylvia
Linxiu Zhang
Qiran Zhao
Encouraging the adoption of health seeking behaviors remains a challenge today, despite the affordability and availability of health improving technologies and services. Researchers tested whether providing principals in rural primary schools in China with information, school subsidies, and...

The Impact of Discounting the Cost of Medicine on Overprescriptions in Mali

Carolina Lopez
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

The Role of Patient Complaints on Health Provider Performance in Kenya

Poor infrastructure, limited access to medicine, poor service provision, and a lack of accountability often lead to poor health outcomes in many developing countries. Researchers conducted a lab-in-the-field randomized experiment to evaluate patients’ willingness to file complaints against service...

The Impacts of Mental Health Treatment on Work and Productivity in India

Researchers evaluated the impact of providing depression treatment and economic assistance on mental health and economic behavior in peri-urban communities near Bangalore, India. Treatment reduced depression severity, a benefit that persisted when paired with light-touch livelihoods assistance, but...