Describes features that can increase quality of student interaction in computer based materials, with emphasis on interactive videodisc projects. The features discussed include nonlinear format, user-control options, feedback that ensures remediation, modular content organization, program flexibility to accommodate individual user needs, and…

This third in a series of edited transcripts based on a conference at Utah State University describes Merrill's Component Design Theory (CDT) and compares it to his earlier Component Display Theory. Topics discussed include concept structures, knowledge acquisition, components of an instructional design system, and a new CDT matrix. (10…