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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

Evaluating the Impact of a Growth Mindset Intervention in Argentina

In Argentina, a researcher evaluated whether informing students of their potential could be a cost-effective way to increase motivation and improve educational outcomes among secondary school students. They found that the intervention did not impact students’ perceptions of the difficulty of school...

Price Incentives to Improve Coffee Quality in Uganda

Researchers are conducting a randomized evaluation to test whether providing traders “bonuses” for high-quality coffee affects the prices traders offer farmers for their coffee and whether this, in turn, affects farmers’ incentives to invest in the quality of their production.

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...

The Impact of Sustained Cognitive Effort on Student Performance in India

Researchers evaluated the impact of practicing sustained cognitive activity on cognitive endurance and school performance in Lucknow, India. Students that spent additional time engaging in sustained cognitive effort received higher grades in all of their classes, improved their performance on tests...

The Impact of a Quiz-Style Information Campaign on Covid-19 Prevention in the United States

Researchers are measuring the impact of a quiz-style information campaign on people’s learning and adherence to Covid-19 health protocols. This study is part of a three-country research in the United States, Ghana, and Zambia program aiming to generate evidence on the best strategies to effectively...

The Impact of Transportation and Information Access on Women's Job Search and Employment in Pakistan

Researchers conducted a randomized evaluation to test the impact of increased access to transportation and assistance with interview scheduling on women’s employment.

A Safer Monitoring Tool to Help Workers Report Harassment in Bangladesh

Researchers evaluated how different ways of asking questions in surveys affect workers’ likelihood of reporting harassment at a firm in Bangladesh. A survey technique that gave people plausible deniability led to workers reporting more abuses, allowing the firm to access more accurate data on the...

The Impact of a School-Based Smoking Prevention Program in Indonesia

Margaret Triyana
Justin White
Researchers conducted a randomized evaluation to measure the impact of a school-based program that used a non-monetary penalty and regular monitoring to prevent adolescent tobacco use. The program reduced the probability that adolescents smoked, with effects sustained three months after the program...