Concrete manipulatives and dynamic geometry software (DGS) are both commonly used for geometry education in elementary and middle schools. This study sets out to understand which of the two approaches was better in improving the conceptual understanding of quadrilaterals for fifth graders. A pre-/post-test design was conducted in which the same…

In the current study, we employed a concurrent multiple probe across participants design to examine the effects of an intervention package (i.e., response prompting, frames, technology) on sentence writing for three participants, ages 10-12, with intellectual and developmental disabilities (IDD). Specifically, we taught participants to write…

This study was undertaken to learn about the impact of using the web-based Inquiry Strategies for the Information Society of the Twenty-First Century (ISIS-21), software developed by the authors, to improve the information literacy (IL) skills of late elementary students (10-12 years). Using a series of multi-media and learning strategies design…