incentives to high school seniors in an experimental demonstration program. As a theoretical matter, such incentives may be … pressure not to study. The experiment studied here used a school-based randomization design offering awards to all students in … outcomes in an effort to determine how students responded to incentives. These results show students took more tests and were …

the influential HighScope Perry Preschool Program. The Perry program was a social experiment that provided preschool … representativeness of the Perry study. -- early childhood intervention ; compromised randomization ; social experiment ; multiple …