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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 studied the effects of a university policy in South Africa to promote racial integration, by randomly allocating incoming students to roommates of a different race. The policy reduced negative racial stereotypes among white students, improved attitudes and behaviors towards members of...

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...

Researchers conducted a randomized evaluation to determine whether PLS programs encouraged opening and use of bank accounts in Mexico. The lottery incentive increased the number of bank accounts opened, and accounts opened because of the PLS program were just as likely to be used as accounts opened...

Researchers partnered with the Ministry of Education in Turkey to conduct a randomized evaluation of Understanding Each Other, a program which aims to foster social cohesion through perspective-taking activities that encourage students to consider others’ perspectives. They found that the program...

Researchers partnered with a local bank to learn how customers chose between two account types—an account that had been offered for many years, which carried high monthly fees but no individual transaction costs, or a new type of account that charged for each withdrawal but did not impose monthly...