For the everyday education of students in schools, objects are made available to teachers that illustrate subject matter and make it comprehensible. These objects are created to make something visible, so that it can be presented, worked on, and understood. This article starts from the assumption that didactic objects are not neutral media: In the…

This paper describes the highlights of a review of both commercially available videodiscs and research prototypes that was undertaken for the Interactive Videodisc Project, and sets out design principles suggested by the best examples, which take advantage of the unique characteristics of laser videodisc technology. Design options on three levels…

Illustrates some of the practical issues and problems connected with the design and use of computerized business games by describing three games which have been developed and operated by staff at Leeds Polytechnic Department of Business Management (United Kingdom). Sample input and output forms are included. (nine references) (LRW)

Describes the development of a microcomputer simulation program that uses a fictional country to teach students about societal processes in developing nations. The discussion covers design objectives, the design process, and further possibilities for this type of simulation. (CLB)