Three sets of audiovisual lessons were presented on either a prototype videodisc player or with film/audiocassette. Both groups of trained soldiers performed significantly better than a control group. On two of the lessons, no difference was found between presentation modes--the third favored film/audiocassette. (Author/JEG)

An experiment to determine if different affective responses would result from exposure to three different forms of media presenting the same content used a semantic differential to measure affective response, and an objective test to measure cognitive learning. Analysis of covariance indicated significantly less learning for audiotaped version of…

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)