In the late 1970's, Durkin's landmark study showed that less than 1% of elementary classroom reading instruction was dedicated to comprehension strategies because teachers were not explicit in their instruction. This qualitative study explored the types of questions posed by elementary and middle school teachers to elicit students' responses and…

Communities, also called clusters or modules, are groups of nodes which probably share common properties and/or play similar roles within a graph. They widely exist in real networks such as biological, social, and information networks. Allowing users to interactively browse and explore the community structure, which is essential for understanding…

Past experiences influence how teachers identify as teachers, writers, and teachers of writing and impacts what they do in their classrooms, including their motivation and effectiveness in teaching writing. When teachers fail to identify as writers, they tend to spend less time teaching writing and may find it difficult to model a genuine passion…

This dissertation incorporates three studies that examine how the design of inquiry based science instruction, dynamic visualizations, and guidance for experimentation contribute to physics students' understanding of science. I designed a week-long, technology-enhanced inquiry module on car collisions that logs students' interactions with a…

This study was inspired by a history of student difficulties in calculus, and innovation in response to those difficulties. The goals of the study were fourfold. First, to design a mathlet for students to explore local linearity. Second, to redesign the curriculum of first semester calculus around the use of technology, an emphasis on…

Instructional designers need to understand the internal processes of learning, identify learners' cognitive difficulties with those processes, and create strategies to help learners overcome those difficulties. Generative learning theory, one conception of human learning about cognitive functioning and process, emphasizes that meaningful learning…