This session will describe the social validity, usability and intent to use of an interactive, state-of-the-art, professional development program based on the Response to Intervention (RtI) approach and its core components (e.g., problem-solving strategy; three tiers of intervention service delivery with universal, selected and intensive…

Students have difficulty understanding ecosystem concepts. This article argues that the difficulty stems partly from not grasping the underlying causality that structures the concepts. We report on an intervention study designed to teach eight- and nine-year-olds to reason about domino, cyclic, and mutual causality by infusing causally focused…

The authors were asked to find out whether "On Our Way to English" ("OWE"), a supplementary, text-based product to help elementary school students learn to read and speak English was more effective in a California and a Texas school district than the materials the districts already had in place. They conducted an experiment…