Learner objectives, text, practice exercises and answer sheets are provided on the history of educational technology, which includes three major periods: Audiovisual Instruction (1920-1945), Audiovisual Communications (1945-date), and Instructional Systems Analysis and Design (1950-date). The terms "educational technology" and "instructional…

Presents an interpretation of the history of the development of visual and verbal language, and argues for the place of electronic technologies of visual and oral languages in the language arts curriculum. (DF)

This paper begins with an historical review of research on television and children, summarizing the major questions asked and the knowledge gained about the medium. The authors then describe a new focus of research, dealing with the form of the television medium, not just its content. (Author/SJL)