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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...

In the United States, researchers evaluated the impact of a cognitive behavioral therapy (CBT) program designed to teach high-risk male students in secondary schools to regulate harmful, automatic behaviors. Results demonstrated that the program led to a significant drop in arrests per student...

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 Northern Nigeria, researchers are testing the effect of providing mothers with unconditional cash transfers, coupled with varying levels of information and guidance on nutrition, to encourage parents to use funds for their children’s nutrition and food security.

Researchers conducted a randomized evaluation to test the impact of regular informational text messages to parents on children’s academic performance. The intervention improved math grades and attendance, although it did not impact negative classroom behavior on average. These effects were generally...