Literature on second language (L2) writing indicates that, on their own, L2 writers are not able to notice problems with the linguistic and rhetorical features of their drafts and do successful self-revision; and that there is the need to facilitate self-revision in the L2 writing classroom. In view of this need, this dissertation explored the…

Representational fluency (RF) includes an ability to interpret, create, move within and among, and connect tool-based representations of mathematical objects. Taken as an indicator of conceptual understanding, there is a need to better support school algebra students' RF in learning environments that utilize both computer algebra systems…

It is hoped that implementing educational technology (ET) into academic curriculums will close the achievement gap among ethnically and socioeconomically (SES) diverse students. California public schools have arranged for instructional classrooms to be stored with information communication technology (ICT) resources. Even so, there is inequity in…

Public policy and current educational reforms have challenged schools to close the achievement gap for all students, including those with disabilities as required under the No Child Left Behind Act (NCLB) of 2001. As schools seek to implement sound instructional practices for students, technology has become a dominant force in schools and society.…

The American Heart Association (AHA) and the American College of Sports Medicine (ACSM) suggest at least 30 min of moderate physical activity at least 5 days a week or 20 min of vigorous physical activity at least 3 days a week. The overall aim of this experiment was to evaluate the efficacy of a web-based intervention--one that relied on…