Blog

News

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 Persuasive Effects of Televised Campaign Ads

James G. Gimpel
Daron R. Shaw
Early in the 2006 campaign for governor of Texas, the launch date and volume of television advertisements as well as the launch date of radio advertisements for the incumbent candidate were randomly assigned across media markets to evaluate the impact of the ads on public opinion. Results indicate...

Evaluating the Impact of Online Education in Russia

Igor Chirikov
René Kizilcec
Natalia Maloshonok
Tatiana Semenova
Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

Efficacité des incitations aux prestataires de service pour lutter contre l’anémie en Chine rurale

Patricia Foo
Renfu Luo
Reynaldo Martorell
Alexis Medina
Scott Rozelle
Yaojiang Shi
Sean Sylvia
Linxiu Zhang
Qiran Zhao

Reducing Farmers' Risk through Flood-Tolerant Rice in India

Researchers partnered with CGIAR’s International Rice Research Institute (IRRI) to evaluate the impact of a flood-resistant rice variety on fertilizer use and crop yield in India. During floods, the flood tolerant seeds had a clear advantage over the traditional seeds. In non-flooded areas, there...