This study reports on work activities structures, student social cognitive understanding, and student participation as ecological perspectives from which to describe and analyze the teaching that took place in one elementary school. Detailed descriptions of the ecological features of 10 elementary school classrooms are presented, and an…

In view of the dramatic increase in the use of television in the classroom, this study examines whether television captioning, technological enhancements to captioning like highlighting key concepts, and the presence or absence of other "advance organizers" in the classroom affect the comprehension and preferences of students with learning…