The purpose of this varied replication study was to evaluate the effects of a supplemental reading intervention on the beginning reading performance of kindergarten students in a different geographical location and in a different instructional context from the initial randomized trial. A second purpose was to investigate whether students who…

This study compared the effects of 2 supplemental interventions on the beginning reading performance of kindergarteners identified as at risk of reading difficulty. Students (N = 206) were assigned randomly at the classroom level either to an explicit/systematic commercial program or to a school-designed practice intervention taught 30 min per day…

An extensive research base on beginning reading acquisition and reading difficulties, developed over the past few decades, has important implications for the teaching of reading. Unfortunately, much of this research does not appear to be reaching teachers, whose knowledge is essential for scientific findings about reading to benefit children. This…