Discusses when instructional designers, communicators, and learners should use multimedia. Outlines reasons for using sound in multimedia; discusses how to use music, voice, and animation; and describes how to reap the benefits of video for online documentation when the costs of the medium are justified. (AEF)

Screen designers for computer-mediated instruction (CMI) products must consider the motivational appeal of their designs. Although learners may be motivated to use CMI programs initially because of their novelty, this effect wears off and the instruction must stand on its own. Instructional screens must provide effective and efficient instruction,…