When students feel that their learning needs are not being met by computer-aided instruction, learning becomes passive, often resulting in boredom, frustration or a dislike for learning with computers. "Button Theory" allows the student to express his feelings and questions to the computer at the touch of a button, thus enhancing control over the…

Describes the Book House, an interactive, multimedia online public access catalog (OPAC) developed in Denmark that uses icons, text, and animation. An alternative design model that addresses problems in OPACs is described; and database design, system navigation, use for fiction retrieval, and evaluation are discussed. (20 references) (MES)

This survey examined the home pages of 36 Australian university library World Wide Web sites. Reports were run on these pages, using a service that checks the HTML for validity and reports errors, a service that checks usability by the visually disabled, and a program that checks the HTML, corrects and reports errors, and improves efficiency style…

While the expansion of worldwide hypermedia systems has opened new gateways in the information industry, the result has been material being archived faster than it can be read. Users need to be able to scan information quickly and have more control in information seeking and retrieval. A new area of research is in the development of multimedia…