A controlled experiment studying effects of adding voice-over sound to a silent electronic text service tested program acceptability and memory retention. Results indicate no significant differences in ratings for acceptability although the test for memory retention resulted in significantly higher scores for the sound group on recall and…

This study of microcomputer use to access an online encyclopedia revealed attitudes of eighth-graders towards computer technology and videotex. Electronic searching is compared to searching with traditional library print materials for a science course, the role of computer printouts is discussed, and research methods including observation and…

This field study examined learning effects attributable to instructional design characteristics when eighth-grade science students used a print encyclopedia or a videotex version of the encyclopedia to write term papers. Results suggest that specific effects of instructional design characteristics of a delivery system are of a limited nature. (MBR)