Blog

News

Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

Police Performance and Public Perception in Rajasthan, India

In this randomized evaluation in Rajasthan, India, researchers examined the effectiveness of five interventions on police performance: limiting administrative transfers; rotating duties and days off; elevating community involvement; incorporating on-duty training; and implementing “decoy” visits by...

Complement or Substitute? The Effect of Technology on Student Achievement in India

Researchers in India attempted to measure the impact of a daily Computer Assisted Learning program on student test scores when delivered as either a substitute for or supplement to the status quo curriculum (delivered during or after school, respectively). While the program improved math scores for...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Harsha Thirumurthy
Damien de Walque
Joshua Graff Zivin
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Removing Higher Education Barriers of Entry: Test Training and Classroom Peer Effects in Chile

In an ongoing study, researchers are evaluating whether providing subsidized test preparation to high-achieving, low-income students can diminish the barriers to entry to institutions of higher education in Chile.

Student Incentive Structures in Malawi

Hyuncheol Kim
Hyuk Harry Son
Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...

Targeting Central Lead Farmers to Boost Agricultural Technology Adoption in Malawi

Researchers conducted a randomized evaluation to test whether the position of a trained lead farmer within a community’s social network affected other farmers’ decisions to adopt a new agricultural technology in Malawi. Results suggest that having access to multiple lead farmers/central individuals...

Promoting Adoption of New Rice Varieties: Addressing the Costs of Early Adoption in Sierra Leone

Jeannie Annan
Charles Dixon
Frances Kimmins
In Sierra Leone, researchers are testing whether price subsidies and agricultural extension training can reduce the costs of early adoption, and whether using the improved seed varieties will ultimately benefit poor farmers.