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 1049-1056 of 1266

Encouraging Interregional Contact to Foster National Identity in Spain

Researchers evaluated the long-run effects of temporary contact between individuals from different regions during military service on interregional attitudes and national identity sentiments among former Spanish male conscripts. Overall, conscription outside of one’s region of origin led to positive...

Countering Covid-19 Misinformation through WhatsApp in Zimbabwe

In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...

Offering Cash and In-Kind Transfers to Grow and Sustain Microenterprises in Sri Lanka

Researchers provided small one-time grants to microenterprises in Sri Lanka to measure the impact of the additional capital on business profits two and five years later. They found that cash and in-kind grants increased business profits for male owners in the short and long term, but did not lead to...

School-based Social and Emotional Learning on Student Behavior and Learning Outcomes in Chile

Researchers evaluated the impact of Chile’s national Skills For Life (SFL) program for disruptive students on their behavior and academic outcomes. Researchers found that the SFL program did not impact eligible students’ learning outcomes.

Effects of Replicating Charter Schools in Boston, Massachusetts

Researchers studied a policy reform in Boston, Massachusetts, that allowed effective charter schools to replicate their school models at new locations. Results showed that charter schools reproduced their effectiveness at new campuses by following similar sets of standardized protocols...

Demand for Rainwater Harvesting Devices in Uganda

In Uganda, researchers studied the demand for rainwater storage devices, the effectiveness of various marketing strategies in promoting them, and their impact on indicators such as school attendance and women’s participation in the labor market.