Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 25-32 of 252
A smiling mother holds a young baby close to her, looking at the child.

Randomized Evaluation of the Nurse Family Partnership in South Carolina

Researchers are evaluating the impact of an intensive nurse home visiting program for low-income mothers on pregnancy and birth outcomes, child health and development, and future life-courses for the family. The program had no effect on adverse birth outcomes or prenatal outcomes such as health care...
Doctor measures patient's blood pressure

The Oregon Health Insurance Experiment in the United States

Heidi Allen
Katherine Baicker
Mira Bernstein
Amy Finkelstein
Jonathan Gruber
Joseph P. Newhouse
Eric Schneider
Jae Song
Bill Wright
Alan Zaslavsky

Forgive and Forget: The Impact of Medical Debt Forgiveness on Financial Outcomes in the United States

Raymond Kluender
Neale Mahoney
Francis Wong
Wes Yin
In this randomized evaluation, researchers evaluated the impact of a medical debt relief program (that buys and relieves a portion of individuals’ medical debt) on measures of mental and physical health, health care utilization, and financial well-being—including financial distress, credit score...

Sahel Women’s Empowerment and Demographic Dividend Project Niger: Safe Spaces and Future Husband Clubs

Researchers are partnering with the Government of Niger to evaluate the impact of empowerment clubs providing adolescents girls with life skills trainings; gender norms clubs designed to change gender-related norms among young men; or both clubs implemented in the same villages on gender norms and...
in-home fireplace

Providing information on wood heating to decrease indoor air pollution in France

Coralie Chevallier
Elise Huillery
Mathieu Perona
Rita Abdel Sater
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...
A nurse vaccinates a woman with grey hair.

Providing Financial Incentives and Behavioral Nudges to Encourage Covid-19 Vaccine Uptake in the United States

Tom Chang
Rajiv Pramanik
Manisha Shah
Samir Shah
Researchers evaluated the impact of financial incentives, public health video messages, and access to a vaccine scheduling link on Covid-19 vaccination intentions and vaccine take-up in the United States. None of the interventions led to increases in vaccine take-up after thirty days. In a...
Girls receiving SMS messages about precautionary health measures.

The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

The Impact of Assignment to Different Managed Care Organizations on Medicaid Spending and Health Care Use in the United States

Craig Garthwaite
Matthew Notowidigdo
Researchers are conducting a randomized evaluation to test the relative impact of assignment to different MCOs on health care utilization and expenditure.