Paper presents a mathematical framework which describes an aspect of the means of communication between a physical system in motion and a sequential logic network. (Author)

The principal human factors engineering issue in robotics is the division of labor between automation (robots) and human beings. This issue reflects a prime human factors engineering consideration in systems design--what equipment should do and what operators and maintainers should do. Understanding of capabilities and limitations of robots and…

A research project built an author-controlled computer-assisted instruction (CAI) system to study ease-of-use factors in student-system, author-system, and programer-system interfaces. Interfaces were designed and observed in use and systematically revised. Development of course material by authors, use by students, and administrative tasks were…

Describes application of instructional systems design, dialog design principles, and human factor considerations in developing the Pennsylvania Department of Education's computer-controlled intelligent videodisc system, which allows K-12 teachers to preview language arts television programs and overcome their technology anxiety. The top-down…

Identifies factors that reduce the effectiveness of computers as intermediaries and discusses possible negative effects on user satisfaction and the interaction between users and librarians. A set of guidelines for the improvement of online catalogs, based on user needs and abilities, is presented. (41 references) (CLB)