This study, to determine whether complexity of detail, scale, and background help subjects to learn technical information, demonstrated no significant difference between groups. One group used the existing self-contained learning package with many complex visuals; the other group used lessons identical in the audio portion but containing…

Describes a statistical integration of findings from 74 studies of visual-based college teaching. Results indicating that students in such instruction generally learned slightly more but that there was no effect on course completion rates or student attitudes are discussed, and 19 references are provided. (Author/BK)