This report presents the findings of research conducted at 10 public sites during the Alternate Media Center/WETA-TV teletext trial in Washington, D.C., from June 1981 to July 1982, in which two different services were tested using Telidon technology. The first, which is characterized as a small electronic newspaper, placed more emphasis on timely…

Computer-assisted instruction (CAI) attacks one of the greatest problems of education--how to get sufficient variety in educational materials to teach each individual without requiring a group of trained personnel to prepare all possible variations. CAI permits individualization electronically. CAI can be used to train problem solving, for drill…