Provides an overview of the articles in this special issue, which deals with the portability, or transferability, of educational computer software. Motivations for portable software relating to cost, personnel, and time are discussed, and factors affecting portability are described, including technical factors, educational factors, social/cultural…

Discusses the relevance of computer games to the design of computer-based training materials. Highlights include intrinsic motivation and computer-based games; the cultural distinction between work and recreation; the transient motivational effect of games; the differences in use of computer systems; hypermedia authoring systems; and virtual…

Discussion of user-friendly computer systems focuses on the use of learners' mental models to help in the design of interactive learning systems. Topics addressed include interactivity; human factors research; human-computer interface issues; individual differences, including learning styles and prior experience; cognitive load; measuring mental…

Describes the Hypertutor Model, a message design framework for interactive instructional systems that emphasizes learner control, presentation, practice, feedback, and learning resources. Problems with software designed for computer assisted instruction are examined; hypertutor systems are discussed; and MegaMentor, a hypertutor system at the…

Discussion of the portability of educational software focuses on the software design and development process. Topics discussed include levels of portability; the user-computer dialog; software engineering principles; design techniques for student performance records; techniques of courseware programing; and suggestions for further research and…

Describes approaches to developing software automating instructional design (ID), including comparison of information management and expert system approaches. Topics addressed include alternative ID automation systems; ID variables; authoring assistance software; the nature of ID expertise; user-system communication; system evaluation; and user…

Discusses software engineering and suggests necessary elements in a software engineering curriculum. Topics addressed include the importance of theory, project-oriented education, prototyping, exploratory programing, human-computer communication, thought models, distributed systems, parallel processing, documentation, testing and quality…

This paper considers the technological aspects of learning environment analysis in the instructional development process. Characteristics of a technology-based learning environment are discussed, and old and new models of technology and learning are examined. The connection between technology and cognition is addressed, and the importance of…

Discusses factors that might influence the effectiveness of computer software designed to teach problem solving. Topics discussed include the structure of knowledge; transfer of training; computers and problem solving instruction; human-computer interactions; and types of software, including drill and practice programs, tutorials, instructional…

Discussion of graphical user interfaces for online public access catalogs (OPACs) covers the history of OPACs; OPAC front-end design, including examples from Indiana University and the University of Illinois; and planning and implementation of a user interface. (10 references) (EA)

Presents an overview of research issues that have confronted the Interactive Technologies Division (ITD) of the Children's Television Workshop (CTW) and proposes a model for integrating research into the software design process. Highlights include the role of research literature; and formative research relating to software, interactive compact…

This article focuses on the effectiveness of computer-based instruction (CBI) screen designs, including their benefits and limitations, as well as human constraints in designing effective CBI. The paper begins with an overview of what comprises an effective CBI screen design, including characteristics of human factors, how information must be…