This study compared undergraduates' cognitive and affective responses to interactive and noninteractive video instruction on smokeless tobacco. The interactive video group demonstrated more accurate and comprehensive recall than the noninteractive and control groups; they were more willing to promote cessation among users; and learner satisfaction…

Describes study designed to evaluate the effectiveness of interactive videodisc program Mastering Fractions. The videodisc program is compared with traditional fractions curriculum and teaching methods in sixth grade classes; pretests, posttests, and mastery tests used are discussed; and results of the study are analyzed. (LRW)