Presents a formal model for specification of logical requirements of computer-based information systems that incorporates structural and dynamic aspects based on two separate models: the Logical Information Processing Structure and the Logical Information Processing Network. The model's role in systems development is discussed. (MBR)

Describes an information processing model which can be used to make operating instructions and reference manuals easy for customers to understand and remember. Long-term and short-term memory, readability of text, the use of graphics, and providing cues to improve retention are discussed in terms of the model. (EJS)

The way information is visually designed and synthesized greatly affects how people understand and use that information. Increased use of the World Wide Web as a teaching tool makes it imperative to question how visual/verbal information presented via the Web can increase or restrict understanding. The purpose of this study was to examine…