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Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

¿Puede un programa multi-dimensional mejorar la participación de los padres y los resultados de los estudiantes? Un programa implementado en escuelas primarias públicas de escasos recursos condujo a aumentar la participación parental y mejorar las relaciones entre padres, estudiantes y profesores.

Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...

In a series of three evaluations throughout the United States, researchers evaluated the effect of group composition on individual participants’ political views. They found little evidence that the ideological and demographic complexion of the group influenced post-discussion opinions.

Researchers tested the impact of non-partisan Spanish-language radio campaigns on Latinx voter turnout in the November 2006 congressional elections. These radio advertisements significantly increased Latinx voting rates.

In India, researchers conducted a randomized evaluation to test how the provision of rainfall index insurance affected farmer production decisions, focusing on the decision to grow cash crops. They found that providing insurance led farmers to shift production towards higher-risk, higher-return cash...

Researchers examined whether individuals gave more after receiving information about a charity’s impact. They found that providing potential donors with rigorous evidence about a charity’s effectiveness increased the likelihood of giving to a major U.S. charity for large prior donors, but decreased...