Do the cognitive benefits of "interleaving"--the method of alternating between two or more skills or concepts during training--extend to foreign language learning? In four experiments, we investigated the efficacy of interleaved versus conventional blocked practice for teaching adult learners to conjugate Spanish verbs in the…

How does the perceived relationship between effort and achievement affect effort? To answer this question, I conduct a field experiment with a popular online learning platform. I exogenously manipulate students' beliefs about returns to effort by assigning them to different information treatments, each of which provides factual information.…

The objective of this paper is to provide some practical insight into the process of implementing large-scale randomized controlled trials (RCT) in educational settings and to provide general recommendations for researchers conducting education-based RCTs in the future. The authors draw their recommendations from their recent experiences…

The authors conducted an experiment during the 2003-2004 school year to determine whether "On Our Way to English" ("OWE"), a product to help elementary students learn to read and speak English, was more effective in a California and a Texas school district than materials already in place. In the California study, 384 English…

The authors were asked to find out whether "On Our Way to English" ("OWE"), a supplementary, text-based product to help elementary school students learn to read and speak English was more effective in a California and a Texas school district than the materials the districts already had in place. They conducted an experiment…