The authors investigated benefits of digital technology compared with traditional manipulatives in relation to preschoolers' development and learning of computational skills. The sample consisted of twenty four 4-and 5-year old children who attended a half-day prekindergarten program five times a week in a university laboratory school in the…

This article reports results from a study investigating the impact of a sustained, comprehensive early algebra intervention in third grade. Participants included 106 students; 39 received the early algebra intervention, and 67 received their district's regularly planned mathematics instruction. We share and discuss students' responses to a written…

The authors compared the performance of third-grade students testing on answer sheets with those testing on machine-scored test booklets. The 1,832 students in the nationally representative sample were assigned at the campus level to complete the Stanford Achievement Test Series, Tenth Edition in 1 of 4 conditions: (a) Form A answer sheet, (b)…