Prior research into computer-assisted instruction (CAI) has demonstrated that the use of technology in the classroom has the potential to help underperforming young learners. The literature has also stressed that thorough evidence-based testing is needed to ensure that effective instruction is provided to students and that accurate information is…

In school districts across the nation, diverse student groups, including English Learners and students with disabilities, have been experiencing significant gains in reading performance after using READ 180. This compendium of READ 180 research contains results of 40 studies conducted in a variety of settings, in school districts across the…

Through a synthesis of test publisher norms and national longitudinal datasets, this study provides new national norms of academic growth in K-12 reading and math that can be used to reinterpret conventional effect sizes in time units. We propose d' a time-indexed effect size metric to estimate how long it would take for an "untreated"…

In consideration of the widening achievement gap between native English speaking and non-English speaking students, the purpose of this study was to determine whether a predictable relationship exists between the academic achievement of English language learners (ELLs) and their background variables. Specifically, this study examined differences…