Summarized are three studies which used the Barclay Classroom Climate Inventory to measure the psychological and social-affective impact of six different classroom settings and a specific mainstreaming procedure on 240 educable mentally retarded and learning disabled pupils. Implications for mainstreaming and placement decisions are drawn. (SJL)

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…