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Researchers conducted a randomized evaluation to measure the impact of sanitation and hand-washing promotion campaigns, alone and in combination, on household knowledge, behavior, and child health (diarrhea prevalence, stunting, wasting, and anemia). While the program improved hygiene and sanitation...

Researchers conducted an evaluation to test the impact of offering a high-amenity diagnostic consultation for cataracts at different prices on uptake of an underutilized service—cataract surgery—in Mexico. Lower prices for the high-amenity consultation increased exposure to amenities, which...

Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

Researchers evaluated how different ways of asking questions in surveys affect workers’ likelihood of reporting harassment at a firm in Bangladesh. A survey technique that gave people plausible deniability led to workers reporting more abuses, allowing the firm to access more accurate data on the...

Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

Researchers evaluated the impact of Boston’s Summer Youth Employment Program, which uses a lottery to provide youth with part-time work and skills training during the summer, on students’ educational outcomes. The program significantly increased high school graduation rates among participating...