Using the Early Childhood Longitudinal Study Kindergarten Cohort (2010-2011), this study is the first to investigate predictors of kindergarten science achievement and growth across elementary school--English language proficiency (ELP), executive functioning, math and reading achievement, parent-engaged science and math activities, and classroom…

This randomized controlled trial examined the impact of adaptive, web-based, scaffolded silent reading instruction on 426 fourth- and fifth-grade students in an urban US school district. Reading proficiency was evaluated in the fall and spring using the Group Reading Assessment Diagnostic Evaluation (GRADE) and an eye movement recording system…

We compared year-long gains in fluency and comprehension in grades 3-5 in 3 treatment and 4 comparison schools. Treatment schools implemented a comprehensive school reform (CSR) program called Bookworms. The program employed challenging text and emphasized high text volume, aggressive vocabulary and knowledge building, and contextualized strategy…

The authors investigated the differential effect of retention on the development of academic achievement from grades 1 to 5 on children retained in grade 1 over 6 years. Growth mixture model (GMM) analyses supported the existence of two distinct trajectory groups of retained children for both reading and math among 125 ethnically and…

This longitudinal study investigated children's performance on several informal reading and spelling tasks. Students (n = 274) in a rural North Carolina county were assessed across grades 2 to 6 on the following measures: isolated word recognition (timed and untimed), oral reading accuracy, reading comprehension, reading rate, and spelling.…