Multi-site randomized controlled trials (RCTs) provide unbiased estimates of the average impact in the study sample. However, their ability to accurately predict the impact for individual sites outside the study sample, to inform local policy decisions, is largely unknown. To extend prior research on this question, we analyzed six multi-site RCTs…

Do nudge interventions that have generated positive impacts at a local level maintain efficacy when scaled state or nationwide? What specific mechanisms explain the positive impacts of promising smaller-scale nudges? We investigate, through two randomized controlled trials, the impact of a national and state-level campaign to encourage students to…

This, the first biennial report to Congress by the Director, as required under The Education Sciences Reform Act (ESRA), describes three goals that have guided the work of the Institute and provides an overview of progress through the end of 2004. It describes the major projects carried out within each center of the Institute over the past two…

In September of 1958, the 85th Congress passed Public Law 85-864, the National Defense Education Act. The step had not been taken lightly. For months congressional committees had been studying alternative bills. Widespread discussion had occurred in circles where educators and the educated were represented. Many proposals had been examined and…