Discusses theory of mental models--i.e., representations of relationships within a system which enable the user to produce mental simulations of the system's actions and develop ways of dealing with it--and its implications for user training, interface design, and overall systems design. (EJS)

Focusing on online library catalogs as examples of human relationships as they are involved in process of technological innovations, this paper discusses introduction of innovation using a process model based on public policy research (theory) and experiences of Northwestern University with its online catalog (application). Five references are…

The model presented identifies three basic needs which must be met in order to increase our understanding of the user interface in computerized information systems: empirical studies of users' attitudes; systematic summaries and critical analyses of these studies; and an interim set of guidelines for user interface design. (EJS)

NonStop University is an online university community application service designed, developed, and deployed by Hewlett-Packard (HP) to serve the computer product training needs of 2,500 staff members in more than 50 countries. By identifying a set of learner characteristics that supported a set of key elements while using technology and focusing on…