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.

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Group of people in waiting room, in Mexico.

Offering Amenities to Increase Health Care Demand in Mexico

Achyuta Adhvaryu
Emilio Gutierrez
Anant Nyshadham
Jorge Tamayo
Researchers conducted an evaluation to test the impact of offering a high-amenity diagnostic consultation for cataracts at different prices on uptake of an underutilized service—cataract surgery—in Mexico. Lower prices for the high-amenity consultation increased exposure to amenities, which...
An older woman talks on her cell phone in India.

Providing Therapy and Cash Transfers to Improve Older Adult Mental Health in India

Researchers evaluated the impact of cognitive behavioral therapy (CBT) and cash transfers on functional impairment (or difficulty performing daily tasks), depression, and food security among adults 55 and older living alone in Tamil Nadu, India. At a three-week follow-up, cash transfers improved...
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...
Teens in school uniforms work on assignment

Multigenerational Benefits to Secondary Schooling in Ghana

Esther Duflo
Pascaline Dupas
Michael Kremer
Elizabeth Spelke
Mark Walsh
A study conducted in Ghana over 15 years evaluated the benefits of secondary school scholarships on both education and health outcomes.
Child having his finger pricked in Bihar, India

Evaluating the Impact on Anemia of Making Double Fortified Salt Available in Bihar, India

Abhijit Banerjee
Sharon Barnhardt
Esther Duflo
In Bihar, India, researchers examined how double fortified salt could be most effectively priced, marketed, and distributed in order to have the greatest impact on a range of health, education, and economic outcomes.
Woman sorts grain while caring for children in Burkina Faso.

The Impact of Mass Media and Family Planning Campaigns on Contraception Use in Burkina Faso

Rachel Glennerster
Joanna Murray
Victor Pouliquen
Researchers evaluated the impact impact of both general exposure to mass media and an intensive family planning campaign on contraception. Increasing exposure to general mass media reduced contraception use in this context. However, a high-quality family planning radio campaign offset the negative...
Man in denim shirt sits at a laptop and has a phone up to his ear.

The Impact of Outreach and Assistance from Navigators on Medicaid Renewals in the United States

Laura Dague
Allison Espeseth
Rebecca Myerson
Researchers assessed the impact of outreach on Medicaid retention; outreach messages provided a reminder to renew as well as information about how to obtain free one-on-one assistance with renewal processes from health insurance navigators. Outreach using pre-recorded calls prevented denials due to...
Young child is eating fruits and vegetables. He is reaching for a clementine from an adult.

The Impact of Poverty Reduction on Child Health, Nutrition, and Sleep in the United States

Greg Duncan
Nathan Fox
Lisa A. Gennetian
Sarah Halpern-Meekin
Emma Hart
Alicia Kunin-Batson
Katherine Magnuson
Kimberly Noble
Jessica Sperber
Hiro Yoshikawa
To understand the causal impact of poverty reduction on children’s health, nutrition, sleep, and healthcare utilization, among other outcomes, researchers randomly assigned new mothers to receive an unconditional cash transfer of $333 (high-cash group) or $20 per month (low-cash group) in the Baby’s...