School psychologists will likely become more involved in supporting the reading achievement of English language learners (ELLs). This requires evidence-based interventions that are validated for ELL students. Incremental rehearsal (IR) is an evidence-based intervention for teaching words, but the resource intensity often precludes its use. Using…

Online instruction is quickly gaining in importance in U.S. higher education, but little rigorous evidence exists as to its effect on student learning. We measure the effect on learning outcomes of a prototypical interactive learning online statistics course by randomly assigning students on six public university campuses to take the course in a…

Schools continue to strive for the use of evidenced-based interventions and policies to foster well-managed classrooms that promote improved student outcomes. The present study examined the effects of the Class-Wide Function-related Intervention Teams (CW-FIT), a group contingency intervention, on the on-task and disruptive behavior of elementary…

This report describes a cluster randomized control trial (RCT) intervention study of the effectiveness of the ABRACADABRA (ABRA) Web-based literacy system using a classroom-level RCT intervention with 1,067 children in 74 kindergarten and Grade 1 or Grade 1/2 classrooms across Canada. The authors closely followed the CONSORT criteria for executing…

The authors describe an independent evaluation of the READ 180 Enterprise intervention designed by Scholastic, Inc. Despite widespread use of the program with upper elementary through high school students, there is limited empirical evidence to support its effectiveness. In this randomized controlled trial involving 312 students enrolled in an…

Successful implementation of evidence-based educational practices at scale is of great importance but has presented significant challenges. In this article, the authors address the following questions: How does the level of on-site technical assistance affect student outcomes? Do teachers' fidelity of treatment implementation and their perceptions…