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 361-368 of 404
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...
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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.
Liberian students on a playground

Partnership Schools for Liberia (PSL)

Mauricio Romero
Justin Sandefur
Wayne Sandholtz
Researchers worked with Innovations for Poverty Action, the Liberian Ministry of Education, and the group of eight private operators to conduct a randomized evaluation to assess the effects of outsourcing management of public schools after one and three years.
Primary school teacher and students in a classroom in Uganda.

Leveraging Teacher Incentives to Improve Student Performance and Reduce Dropout in Uganda

Daniel O. Gilligan
Naureen Karachiwalla
Ibrahim Kasirye
Adrienne Lucas
Derek Neal
Primary school teachers in Uganda face public scrutiny and high pressure around primary school exit exam results. As a result of the incentives around students being successful on this exam, teachers focus their energy on students who could receive passing marks and encourage lower-performing...
Seated woman showing pieces of cloth to another woman

Leveraging Business Networks to Boost Women’s Entrepreneurship

Edward Asiedu
Monica Lambon-Quayefio
Francesca Truffa
Ashley Wong
Researchers investigated the role of online networking groups (via WhatsApp) and free legal aid on improving business innovation, practices, sales, and profits among growth-oriented women-owned firms in Ghana. They found that online networking groups meaningfully encouraged business innovation...

Powering Small Retailers: The Adoption of Solar Energy under Different Pricing Schemes in Kenya

Tavneet Suri

Kenya, East Africa's largest economy, is struggling with an ageing energy infrastructure and low connectivity to the power grid. William Jack and affiliate Tavneet Suri (MIT) study the impact of off-grid solar power on small retailers in Nairobi.

A study participant uses the tablet-based bargaining app

Providing Endowments to Improve Bargaining Outcomes for Microentrepreneurs in Ghana

Morgan Hardy
Gisella Kagy
Lena Song
Researchers randomly provided more or less cash to garment-making firm owners in Ghana before a bargaining game to evaluate the impact of endowment on the negotiated sale price of a good. Owners of garment-making microenterprises with lower household liquidity agreed to lower sale prices during the...
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Does Continuous Professional Development Improve Teaching at the Right Level in Zambia?

Andreas de Barros
Researchers are evaluating the impact of the “Teaching at the Right Level” program on students’ foundational literacy and mathematics skills.