Evaluations

Researchers tested whether referrals by past trainees—both with and without incentives—improved the effectiveness of an agricultural training. Overall, the training increased adoption rates and improved agricultural performance. Referred farmers were only slightly more likely to adopt than those...

In India, researchers measured the impact of providing vouchers to attend private schools on student learning. Students who won vouchers had test scores that were 0.13 standard deviations higher across all subjects.

Researchers examined the short-term responses of a grant to school committees and find that overall, parents increased participation and responsibility, but these efforts did not improve overall school quality. Enrollment at the lowest grades increased and school resources improved, but teacher...