Discusses the concepts of instructional theory and their application in the design of instructional and training packages, particularly computer-assisted instruction programs. (12 references) (CLB)

Analyzes developments in the study of user needs to determine areas of consensus in the field, particularly areas of greatest value to practicing librarians. Topics discussed include the user; conceptual frameworks for information and knowledge; information seeking; the use of information and knowledge; system design; and future research needs.…

Arguing that the main promise of computers lies in their potential for moment-by-moment adaptation of instructional content and form to the changing cognitive needs of individual learners, this paper clarifies the implications of this potential for tutoring research, and points out overlooked relations between different strands of research…

Presents detailed guidelines based on the literature for screen layout and design of online catalogs, and discusses the potential advantages in terms of number of transactions per hour and user satisfaction. Further research questions are suggested and an extensive bibliography is provided. (CLB)

In machine learning there is considerable interest in techniques which improve planning ability. Initial investigations have identified a wide variety of techniques to address this issue. Progress has been hampered by the utility problem, a basic tradeoff between the benefit of learned knowledge and the cost to locate and apply relevant knowledge.…

An online library system is an example of a complex computer system in that it supports a variety of users, both patrons and staff, and is made up of many intricate programs with complex relationships among them. Certain features are essential to a user friendly system: (1) users cannot get lost in the system; (2) users cannot enter illegal…