Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 1113-1120 of 1266
A man's hand types on WhatsApp on a mobile phone.

Countering Covid-19 Misinformation through WhatsApp in Zimbabwe

Jeremy Bowles
Horacio Larreguy
Shelley Liu
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...
juice vendor and group of female students

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

David McKenzie
Suresh de Mel
Christopher Woodruff
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...
Three students around a computer in a classroom.

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

Clement de Chaisemartin
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.
Students sit at a table and study for an exam.

Effects of Replicating Charter Schools in Boston, Massachusetts

Sarah Cohodes
Elizabeth Setren
Christopher Walters
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...
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Demand for Rainwater Harvesting Devices in Uganda

Mushfiq Mobarak
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.
A young man shows work to a young woman looking over his shoulder, both smiling, in a room with graphs and professional presentation materials.

School's Out: How Summer Youth Employment Programs Impact Academic Outcomes (in Boston)

Researchers evaluated the impact of Boston’s Summer Youth Employment Program, which uses a lottery to provide youth with part-time work and skills training during the summer, on students’ educational outcomes. The program significantly increased high school graduation rates among participating...
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What Generates Growth in Microenterprises? Evidence from Sri Lanka

David McKenzie
Suresh de Mel
Christopher Woodruff
To study the employment limitation of microenterprises, researchers offered microentrepreneurs capital to incentivize them to hire workers. Results showed that a wage subsidy did not lead to lasting increases in employment sales or profits.
Woman working in a Bangladeshi garment factory.

Demand for Manufacturing Training Services in Bangladesh

Rocco Macchiavello
Atonu Rabbani
Christopher Woodruff
Researchers are partnering with the German Society for International Cooperation (GIZ) to identify barriers to a wider market for consulting and training in Bangladesh by offering high-quality manufacturing training services at randomly-assigned price points and covering different topics. They find...