Investigated how users reacted to breakdown situations that generated error messages when browsing the Web. Results showed error messages were not helpful to users in diagnosing the cause of the problem and suggests the need for a model of Web browsing that would be available for users to learn from the error messages. (Author/LRW)

Discusses problems facing naive users of interactive information systems (IIS) that have been identified through classroom research. Impediments to successful use of IIS are students' inability to make use of non-text-based information sources and difficulty choosing appropriate search strategies. Mental models developed by users may provide clues…

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)

Argues that false assumptions about user needs implicit in methodologies for building information systems have resulted in inadequate and inflexible systems. Checkland's Soft Systems Methodology is examined as a useful alternative. Its fundamental features are described, and examples of models demonstrate how the methodology can facilitate…