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 the effectiveness of electronic blackboards in three introductory sociology classes at the University of Regina tested the hypothesis that this microcomputer-based presentational technology would have a negative impact on faculty productivity due to the increased amount of preparation time, and a positive impact on the quality of…