Middle school students with learning disabilities often struggle with reading and literacy skills, including vocabulary, and require support in content-area classes such as mathematics where weak vocabulary knowledge can negatively affect learning, achievement, and deep understanding. However, in general, middle school mathematics teachers do not…

Recent studies have posited that K-12 science, technology, engineering, and mathematics (STEM) education should go beyond traditional subject silos and take an interdisciplinary approach that integrates these core subjects into a cohesive curriculum to foster authentic problem-solving skills. The purpose of this study was to field test one of five…

This study employed group randomized trials to investigate the effects of self- and peer-monitoring on the academic vocabulary and content knowledge of students with learning disabilities and low achieving students in social studies. Fourth grade students were randomly assigned to either treatment or control groups on a class level. Results…

The goal of the present study was to test three competing hypotheses about the nature of comprehension problems of students who are poor in reading comprehension. Participants in the study were first, second, and third graders, totaling nine cohorts and over 425,000 participants in all. The pattern of results was consistent across all cohorts:…

Although vocabulary plays an important role in literacy and content instruction, there is a paucity of research identifying effective methods for teaching vocabulary. One promising strategy is morphemic analysis, which involves breaking words into morphemes, the smallest meaningful parts of words, and teaching students the meanings of those parts.…

The purpose of this article was twofold: (1) to explore the feasibility of the regression discontinuity design (RDD) in response-to-intervention implementation research and (2) to expand upon the limited research on vocabulary instruction for kindergarten students who are at risk for reading failure due to limited vocabularies. This pilot study…

This article presents a meta-analysis of experimental and quasi-experimental studies in which intermediate and secondary students with learning disabilities were taught science content through the use of graphic organizers (GOs). Following an exhaustive search for studies meeting specified selection criteria, 23 standardized mean effect sizes were…

Over a quarter of 8th-grade students and more than one-third of 4th graders do not read well enough to understand important concepts and acquire new knowledge from grade-level text. For students with learning disabilities, the numbers are more troubling. This article describes features of evidence-based instruction for students who continue to…