Third in a series on teaching methods in higher education, this updated volume reviews and evaluates research on audiovisual aids and related instructional hardware. While the emphasis is on the effectiveness of technical aids in higher education as instructional tools, some information on technical and administrative problems is also provided.…

Twenty-eight hearing college students were trained on 30 signs from American Sign Language that had been classified as iconic, opaque, or abstract. Students learned and retained iconic signs better than opaque or abstract. A videotaped presentation mode produced greater consistency in scores than computer-assisted instruction. (Author/JDD)