Examines the importance of levels of questioning and types of feedback in designing courseware for computer-based education. Test results are analyzed for four groups of high school students who completed different versions of a computer-based science lesson, and recommendations for future research are given. (Author/LRW)

Discussion of the use of color in microcomputer-based educational software focuses on a study of Israeli ninth graders that examined the differential effects of three color treatments on the learning of geometric concepts by students with differential aptitudes. Hypotheses tested are described and results are analyzed. (28 references) (Author/LRW)

Describes two experiments in Dutch secondary schools that were carried out to study the effect of the sequencing of the information in computer-assisted instructional programs. Instructional design for concept learning is discussed; successive and coordinate relationships between concepts are explained; and tests designed for procedural and…