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 33-40 of 262

MTV Shuga: Changing Social Norms and Behaviors with Entertainment Education in Nigeria

Can television shows change how people think and act? In Nigeria, researchers evaluated the impact of MTV Shuga, a drama featuring educational storylines about HIV/AIDS on viewers’ sexual knowledge, attitudes, and behaviors. The study shows that exposure to MTV Shuga improved viewers’ knowledge and...

Frequent HIV Testing and Marriage and Pregnancy Decisions in Malawi

Daniel Bennett
Researchers conducted a randomized evaluation to test the impact of offering frequent HIV testing on rates of marriage and pregnancy. Offering high-frequency, opt-out HIV testing to young women and their partners changed beliefs of partner’s sexual safety, accelerated marriage, and increased the...

Using Text Messages to Prevent the Spread of Covid-19 in India

Girija Bahety
Sebastian Bauhoff
Dev Patel
James Potter
Researchers tested whether reminders delivered via text message improved knowledge and adoption of social distancing and handwashing. They found no evidence that individuals changed their self-reported behaviors; this finding may highlight limited effectiveness of SMS-based information campaigns...

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...

The Impact of Mobile Money on the Purchase of Improved Sanitation Services in Senegal

Molly Lipscomb
The proliferation of mobile money across low- and middle-income countries has led to increased availability of mobile payment systems, which can potentially allow more flexible payment terms for customers. Subsidies increased the use of mechanized desludgings, while pre-paid deposit requirements had...

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 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...