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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...

Researchers organized Election Day festivals to evaluate how a more festive and social voting atmosphere might impact voter turnout. Voting rates were significantly higher in precincts where festivals occurred than in comparison precincts.

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...

Fertilizer use has been promoted to boost agricultural productivity and increase farmers’ yields and income. Researchers conducted a randomized evaluation among rice farmers in Bangladesh to evaluate the impact of providing leaf color charts and basic training on the quantity and timing of...

Researchers evaluated the effect of distributing “value-added” teacher evaluations to principals in New York City. Their findings suggest that principals found the reports useful and used them to inform their overall perceptions of teacher effectiveness.

Researchers evaluated the effect of a gender-transformative skills-building program on IPV incidence, HIV risk behaviors, and other health outcomes in rural Ethiopia. Overall, the program led to reductions in IPV when delivered to groups of men, but not when delivered to couples or to women only...