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Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel. 

Providing Vision Screening and Free Eyeglasses in Elementary Schools in the United States

Jongwook Lee
Kristine West
Researchers evaluated the impact on educational outcomes of providing enhanced vision services to low-income elementary school children. Providing vision screening and free eyeglasses significantly increased achievement in two of the three districts studied, while screening without the provision of...

Comparing the Impacts of Industrial Jobs and Self-Employment in Ethiopia

In Ethiopia, researchers randomly assigned mostly female jobseekers to receive an industrial job offer or an unconditional cash transfer, meant to spur self-employment. While they found positive impacts of the cash transfers on occupational choice, income, and health in the first year, these effects...

Identifying Effective Teachers in the United States

Daniel McCaffrey
Trey Miller
Researchers evaluated how well different measures of teacher effectiveness predicted student performance in six school districts in the United States. Measures of teacher effectiveness based on student achievement in the previous year, classroom observations, and student surveys accurately...

When do Media Stations Support Political Accountability? A Field Experiment in Mexico

Christopher Lucas
John Marshall
Researchers are using a randomized evaluation in Mexico to study the incentives media stations face when choosing to provide voters with indicators of their incumbent party’s performance in office.

The Impact of Feedback on University Student Performance in Spain

Ghazala Azmat
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...