Discusses the impact of the presentation of data on the educational effectiveness of computer assisted learning systems, describes some of the existing systems for controlling the display of instructional data on CRTs, and outlines a project undertaken at the University of Western Ontario to exploit the capabilities of microcomputer color…

Discusses two factors to consider in relation to the use of color and the design of computerized instructional materials: the purpose of using color in instruction and how the microcomputer, with its limitations, affects color use. Principles for the use of color are suggested. (Author/MBR)

Discusses computer assisted instruction programs that deal with the specific area of the modeling of systems and the programing techniques that affect their educational value. An environment intended to increase the impact of interactive CAI is described and developed. (Author/CHC)