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 401-408 of 1266
Photo of people sitting in field

Mobile Phone-Based Extension Services and Agricultural Advice for Cotton Farmers in India

Shawn Cole
A. Nilesh Fernando
Researchers introduced a mobile phone-based agricultural extension service to evaluate its impact on knowledge and adoption of effective farming methods among cotton farmers in Gujarat, India. They found that the service was highly effective in nudging farmers to adopt a number of recommended...
A rickshaw driver in Dhaka, Bangladesh.

Temporary Labor Migration as Mitigation: Strategies for Managing Seasonal Famine in Bangladesh

Gharad Bryan
Shyamal Chowdhury
Mushfiq Mobarak
Can monetary incentives induce rural farmers to migrate to cities and pursue seasonal labor opportunities during times of famine?
A woman walks through an informal settlement in Kenya

Positive Psychology for Psychological Well-Being and Decision-Making in Kenya

Victoria Baranov
Johannes Haushofer
Chaning Jang
In Kenya, researchers conducted a randomized evaluation to test the impact of a light-touch positive psychology intervention on psychological well-being and economic decision-making for low-income populations. The intervention had a positive impact on gratitude; however, it had no significant...
Woman on cell phone in Nigeria.

Information Provision via Mobile Phones to Increase Mobile Banking in Ghana

Emma Riley
Abu Shonchoy
Researchers partnered with Opportunity International Savings and Loans Limited (OISL) to conduct a randomized evaluation to test the impact of high-frequency interactive voice response (IVR) calls on people’s use of mobile banking services and their financial behaviors in Ghana. People who received...
Steps to purifying water with chlorine

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Raymond Guiteras
Kaniz Jannat
David Levine
Stephen Luby
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...
Health workers undergoing training

Biometric Tracking and Tuberculosis Treatment in India

Thomas Bossuroy
Clara Delavallade
Vincent Pons
In India, researchers evaluated the impact of biometric tracking devices in tuberculosis (TB) care centers on patient adherence to treatment, provider performance, and data quality. Biometric devices increased patient adherence to TB treatment and provider performance.
Group discussion about health insurance enrollment, healthcare, and health insurance quality with a group of men from the village

Community Engagement’s Impact on Healthcare Utilization and Health Insurance Enrollment in Ghana

Stephen Kwasi Opoku Duku
Christine Fenenga
Wendy Janssens
Edward Nketiah-Amponsah
Menno Pradhan
Researchers in Ghana evaluated the impact of community-led assessments on health insurance enrollment as well as healthcare and health insurance quality. The community engagement intervention improved the medical quality of healthcare, reduced community members’ chances of getting sick, and...
A health clinic in India

Evaluating the Karnataka Integrated Medical Information and Disease Surveillance System (IMIDSS) in Primary Health Centers in India

Iqbal Dhaliwal
Rema Hanna
Researchers tested whether a monitoring system that recorded employees’ fingerprints at the beginning and end of each day could improve staff attendance and patient health in primary health centers in Karnataka. The monitoring system increased attendance among medical staff, but not doctors, and...