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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

The Use of Nonbinding Contribution Suggestions for a Charitable Fundraising Scheme in Germany

Maja Adena
Steffen Huck
Researchers randomized the suggested contribution in a fundraising appeal sent to patrons of the Bavaria State Opera (Germany). They found that the suggestions increased the average donation while decreasing the participation rate, resulting in no significant change in the average return per mailing...

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Sandeep Kumar
Despite making great strides in expanding access to education, developing countries like India continue to lag in measures of actual student learning. To understand how quality of education mediates learning, this randomized control trial evaluates a pedagogical intervention training science...

Improving Yields and Health through a High-Yielding Rice Variety (NERICA) in Sierra Leone

Improved crop varieties have the potential to produce higher yields than traditional varieties, but rural farmers often do not have the knowledge to properly grow these crops. Researchers seek to understand how providing different amounts of training on how to cultivate NERICA-3, a high-yield but...

The Effect of India's Total Sanitation Campaign on Defecation Behaviors and Child Health in Rural Madhya Pradesh, India

Benjamin Arnhold
Bertha Briceno
Sandipan Ganguly
John M. Colford Jr.
Sumeet R Patil
Alicia L. Salvatore

Peer Group Assignment and Student Achievement in the United States

Researchers evaluated the impact of creating peer groups optimized to improve the academic achievement of lower-ability first-year students at the United States Air Force Academy. Placing lower-ability students in the optimized groups, which mixed them with a relatively large number of peers with...