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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 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 evaluated a voter information campaign and exploited the random assignment of reservations for women in village councils to measure the impact of information and reduced incumbent advantage on village council elections. Both interventions increased the number of candidates and drove the...

Researchers evaluated an information campaign in rural Malawi to examine the impact of providing information about voluntary medical male circumcision and HIV transmission risk on beliefs and sexual behavior. The program reduced risky sexual behavior among uncircumcised men, but did not increase...

In Bihar, India, researchers examined how double fortified salt could be most effectively priced, marketed, and distributed in order to have the greatest impact on a range of health, education, and economic outcomes.