Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 297-304 of 1278
Students sit together and look at a laptop screen

The Impacts of Computer-Based Individualized Instruction on Math Learning in India

Andreas de Barros
Alejandro Ganimian
In partnership with an education assessment firm, researchers conducted a randomized evaluation to isolate the impact of computer-based individualized instruction in India. After nine months, lower-performing students in grades six to eight learned 22 percent of a standard deviation more in math if...
Candidates participating in a filmed debate for the 2012 parliamentary elections in Sierra Leone.

Debates: The Impact of Voter Knowledge Initiatives in Sierra Leone

Kelly Bidwell
Katherine Casey
Rachel Glennerster
In Sierra Leone, researchers evaluated the effect of publicly-screened debates during the run-up to parliamentary elections. Debates impacted voters’ political knowledge and voting decisions, and also caused candidates to invest more in their constituencies, both during the campaign and one year...
Students using the Khan Academy platform during a math class in Brazil

The Impact of an Online Math Learning Platform on Test Scores and Attitudes Towards Math in Brazil

Bruno Ferman
Lucas Finamor
Lycia Lima
Researchers conducted a randomized evaluation to measure the impacts of the Khan Academy’s online platform on math scores in Brazilian public schools. Despite improving student’s attitudes towards math, the program had mixed impact on students’ test scores depending on program implementation and...
Video still of woman with donkey that reads "She bough a donkey for 300 Birr that relieves her of carrying heavy loads."

The Impact of Role Models on Parental Aspirations and Investments in Children’s Education in Ethiopia

Tanguy Bernard
Stefan Dercon
Kate Orkin
Alemayehu Seyoum Taffesse
Researchers conducted a randomized evaluation to test whether exposing people to a documentary featuring potential role models impacted parents’ educational aspirations for their children or their actual investments in education, and if these impacts varied by gender. Exposing families to the...
Long-Term Diffusion of Swarna-Sub1 In India

Long-Term Diffusion and Impact of Flood-Tolerant Rice in India

Kyle Emerick
Alain de Janvry
Manaswini Rao
Elisabeth Sadoulet
In India, researchers leveraged a randomized evaluation of the distribution of a new seed variety to assess how the new seed spread within communities and social groups. They found that local social structures, such as the jati-caste system, influenced the extent of seed adoption. In particular...
University students from around the world working together

Reducing Racial Stereotypes by Encouraging Interaction in South Africa

Justine Burns
Lucia Corno
Eliana La Ferrara
Researchers studied the effects of a university policy in South Africa to promote racial integration, by randomly allocating incoming students to roommates of a different race. The policy reduced negative racial stereotypes among white students, improved attitudes and behaviors towards members of...
University students

The Impact of Feedback on University Student Performance in Spain

Ghazala Azmat
Manuel Bagues
Antonio Cabrales
Nagore Iriberri
Researchers shared information on students’ relative academic standing among university students in Spain to evaluate the impact of this information on student performance and satisfaction. Providing students with information on their relative standing led to a short-term decrease in academic...
On the left, lights are installed in a classroom; on the right, students look at a screen at the front of the classroom delivering educational instruction.

School Electricity and Native Language Digital Media to Improve Student Learning in Tanzania

Hee Kwon (Samuel) Seo
Researchers conducted a randomized evaluation to test the impact of school electrification, delivered alongside mixed-language digital educational materials, on student exam scores and pass rates. They found that neither increased electricity access nor learning material in their native language...