It is possible to separate the use of computers for instructional purposes into four modes, distinguished by the style of user interaction and sometimes by the implementation methods used. The four major modes are: 1) conversational, in which the interaction resembles an exchange between two persons; 2) data-based, wherein one component of the…

Briefly describes some experiments in human-machine interaction in the context of its relevance to multimedia audiovisual instruction, with emphasis on the use of microcomputer systems augmented with slides or audiocassettes. Fifteen references are listed. (Author/LLS)

Three outstanding features of the Rapidly Extensible Language (REL) System are discussed. REL itself is an integrated software system designed to facilitate conversational interaction with the computer, especially by those working with dynamic, highly interrelated data. The system's main parts are: 1) the operating system, which manages the…

A description is provided of GUIDE-0, an experimental information system. The system serves as a bibliographic aid for students who are taking introductory computer science courses whose material is at least partially implemented via PLATO-IV lessons. Following a brief introduction to the system in Chapter I, the second Chapter describes the…

Describes the redesign of a CD-ROM database interface by the Congressional Information Service (CIS) that addressed the needs of novice, casual, and expert searchers in academic libraries. Topics discussed include the user profile, the task profile, redesign goals, interaction style, menu design and implementation, system structure and the search…

This study examined the cause-effect interconnectivity of various mental models utilized by 10 American and Australian teachers and media specialists when involved in one-on-one teaching-learning episodes using electronic resources in the context of researching information for authentic school assignments. The researchers investigated runability…