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Peer Pressure and Educational Investments in the United States

Researchers offered high school students the opportunity to sign up for free access to an online SAT preparatory course. Some students were told that their decision to sign up would be public, and others were told that their decision would be kept private. In non-honors classes, sign-up rates were...

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 Cognitive Behavioral Therapy and Cash Transfers on High-Risk Young Men in Liberia

Sebastian Chaskel
Margaret Sheridan
To understand the long-term effectiveness of CBT among adults, researchers evaluated the impact of a short-term CBT program and the distribution of unconditional cash transfers on the behavior of high-risk young men in Liberia. CBT reduced criminal behavior among participants both in the short run...

Nudging Medical Providers to Adopt and Sustain Better Quality Care Practices in Argentina

Resistance to change can prevent medical practitioners from providing their patients with the best possible care. Within the context of an existing results-based financing program in public health clinics in Argentina, researchers evaluated the impact of a temporary increase in price incentives on...

Clinical Decision Support for Outpatient High-Cost Radiology Ordering in the United States

Bruce Darrow
Joseph Doyle
Joseph Kannry
Madhu Mazumdar
David Mendelson
Researchers are studying the impact of a clinical decision support system on the ordering of high-cost scans.

Improving Electoral Integrity with Information and Communications Technology in Uganda

Clark Gibson
Danielle Jung
Researchers sent letters to polling stations announcing smartphone vote-tally audits to evaluate the impact of audits on electoral irregularities such as non-adherence to transparency regulations and falsified vote tallies. Relative to a comparison group, letters increased the number of polling...

Impact of Digital Financial Education and Information Provision on Gender-Based Violence in Colombia

Mathew Bird
Lina Cardona
Pablo Lavado
In Colombia, researchers conducted a randomized evaluation to test the impact of a messaging-based program via WhatsApp focused on financial education, couples’ communication, and information provision on financial capability, women’s empowerment, and intimate partner violence.

How Messages to Parents Impact Student Performance in Brazil

Nina Cunha
Ricardo Madeira
Researchers conducted a randomized evaluation with 9th graders’ parents in São Paulo to investigate whether weekly messages giving updates on a child’s attendance and effort, or messages emphasizing their importance, better motivated parents. Both types of messages led parents to ask more about...