Preschool-age children (N = 58) were randomly assigned to receive instruction in letter names and sounds, letter sounds only, or numbers (control). Multilevel modeling was used to examine letter name and sound learning as a function of instructional condition and characteristics of both letters and children. Specifically, learning was examined in…

Data-based instructional programs have proliferated in American schools despite limited evidence of their effectiveness in improving educator practice and raising student achievement. We report results from a two-year school-randomized evaluation of the Achievement Network (ANet), a program providing schools with standards-aligned interim…

An experiment investigated: (1) how verbalization of subtraction with regrouping operations influenced learning disabled students' self-efficacy and skillful performance; and (2) explored how effort-attributional feedback affected achievement behaviors. Continuous feedback led to high self-efficacy and skillful performance, and effort feedback…