Argues that factors that create a feeling of interactivity in the human situation--response time, spontaneity, lack of distractors--should be included as prime elements in the design of human/machine systems, e.g., computer assisted instruction and interactive video. A computer/videodisc learning system for cardio-pulmonary resuscitation and its…

Describes an Educational Products Information Exchange (EPIE) study which evaluated 163 elementary and secondary education microcomputer courseware programs for intent, content, methods and approach, and evaluation, to discover whether trends existed across areas and courseware types, and to determine strengths and weaknesses of available…

Discusses conflict between instructional potential of interactive videodiscs and interests of educational publishers and proposes a generic videodisc as a solution. Generic disc design preferences, equipment needed by teachers to program various learning options to adapt materials to local needs, and a list of videodisc authoring systems are…

Several text format variables were examined in an attempt to identify the ways in which these variables interact in specific design combinations. The variables include: heading location (embedded or isolated); line length (short or long); space between lines (single or double); paragraph indication (indented or spaced); use of running heads…