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Researchers evaluated how well different measures of teacher effectiveness predicted student performance in six school districts in the United States. Measures of teacher effectiveness based on student achievement in the previous year, classroom observations, and student surveys accurately...

Technology adoption often requires investments over time. As farmers realize new information about the costs and benefits of investments, they may abandon the newly adopted technology shortly after. Researchers partnered with the non-governmental organization Shared Value Africa and Dunavant Cotton...

Researchers introduced two programs during peak consumption hours—text messages encouraging energy conservation for the benefit of society, or price increases—to evaluate the impact of social motivation and dynamic pricing on energy conservation. Both programs led to reductions in electricity use...

Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

Researchers conducted a randomized evaluation to test the impact of a savings lockbox, or SMS reminders, on household saving, spending, and the ability to cope with negative shocks in rural Niger. Take-up and usage of the lockbox were high, and while the lockbox intervention did not affect overall...

Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.