Discusses text presentation in computer-based instruction and reviews research that has been done in this area. Topics discussed include length of text, amount of text presented at one time, rate of text presentation, color, text comprehension, text structure, reader comprehension, and new directions for computer-based text. (23 references) (LRW)

The current state of computer assisted instruction (CAI) in kindergarten through grade 12 is discussed. Four formats for CAI--drill, practice, tutorial, and simulation--are defined, and a set of criteria for distinguishing between effective and ineffective CAI are described. Comparisons are made between human and computer tutors. In response to…