In 1981, North Texas State University (NTSU) conducted an experiment in sound sources which was made possible by a grant from the Apple Education Foundation. The culminating research of the grant was the testing of the AFL sound source and Micromusic sound sources, as well as the NTSU sound source, AMUS. Students participated in the experiment to…

This study investigated the effects of audio and text density on the achievement, time-in-program, and attitudes of 134 undergraduates. Data concerning the subjects' preexisting computer skills and experience, as well as demographic information, were also collected. The instruction in visual design principles was delivered by computer and included…