This study, which was reviewed through the Registered Report process, examined the initial efficacy of the Scientific Explorers program (Sci2) on second-grade students' science achievement. Sci2 is grounded in the growing body of empirical research on science instruction, embedding principles of explicit instruction within a guided inquiry-based…

Little-to-no research examines the provision of targeted mathematical interventions to students struggling with mathematics in a virtual environment. And yet, the global pandemic of 2020--extending into 2021--found schools in such a scenario. This article reports two studies in which researchers explored the intervention package of explicit…

This study sought to examine sustained, school-based professional development (PD) on explicit reading comprehension strategy instruction (ERCSI) and its influence on teacher knowledge and practice and on student outcomes. Eight teachers participated - four first-grade and two teachers each from second and third grade. At the beginning of the…

This paper presents the results of a quasi-experimental study examining the effectiveness of Amplify Reading, a digital supplemental literacy curriculum that students play independently at school or at home, in improving student literacy outcomes as measured by end of year Dynamic Indicators of Basic Early Literacy Skills (DIBELS) Next for…

"Spelling Mastery" is designed to explicitly teach spelling skills to students in grades 1 through 6. One of several Direct Instruction curricula from McGraw-Hill that precisely specify how to teach incremental content, "Spelling Mastery" includes phonemic, morphemic, and whole-word strategies. The What Works Clearinghouse…

"Reading Mastery," one of several curriculum components that constitute the "Direct Instruction" curriculum from SRA/McGraw-Hill, is designed to provide systematic instruction in reading to students in grades K-6. "Reading Mastery," which can be used as an intervention program for struggling readers, as a supplement…

This study explored the effects of "Reading Mastery Plus" in grades K-2 at a Title 1 school with six students with intellectual and developmental disabilities (IDD). Two students in each of grades kindergarten, 1, and 2 participated. "Diagnostic Indicators of Basic Early Literacy Skills (DIBELS)" spring fluency probes were used…