Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 65-72 of 1204

Incentivizing Physical Activity to Improve Mental Health During Covid-19 Disruptions in the United States

Osea Giuntella
Kelly Hyde
Silvia Saccardo
Researchers conducted a randomized intervention to measure the impact of financial incentives for reaching daily step goals on physical activity and depression risk during the Covid-19 pandemic, to better understand the association between physical activity and mental health. While program...

Cash Transfers’ Effects on Food Consumption in Mexico

Carlos Chiapa
Silvia Prina
Irvin Rojas
Researchers conducted a randomized evaluation to test the impact of the anti-poverty cash transfer program, PROSPERA, on food consumption for families living in poverty in Mexico. Households consumed enough food both before and after receiving the cash transfer.

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

Stephen Duku
Christine Fenenga
Wendy Janssens
Edward Nketiah-Amponsah
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...

The Effects of Middle School Scholarships on Child Marriage in Niger

Elise Huillery
Mathilde Sage
Government ministries introduced middle school scholarships to cover girls’ transportation, housing, and supplies; researchers evaluated how paying for out-of-pocket expenses affected schooling impacts and child marriage. The researchers found that the intervention reduced girls’ chance of leaving...

Testing Alternative Job Evaluation Schemes to Improve Civil Servants' Work Performance in China

Employers often rely on subjective performance evaluations by supervisors to gauge the performance of workers–particularly in the public sector, where civil servants’ work performance is hard to measure. However, relying on the opinions of local supervisors could cause subordinates to prioritize...

The Effects of Varying Input Market Timing and Access to Credit on Farmers’ Agricultural Investment in Mali

In Mali, researchers conducted a randomized evaluation to test how the design and timing of a physical market for inputs (village input fairs) with varying levels of credit access affected farmers’ investment decisions. They found that farmer investment and input adoption increase when village input...

Frequent HIV Testing and Marriage and Pregnancy Decisions in Malawi

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...