Electronic performance support systems (EPSSs) are the software programs commonly used in commercial environments since the early 1990s. These software programs are generally called performance-based systems and focus on the complete job rather than providing individual development. For that reason, the usage of these systems in learning…

Research on cognitive modeling of information search and Web navigation emphasizes the importance of "information scent" (the relevance of semantic cues such as link labels and headings to a reader's goal; Pirolli & Card, 1999). This article shows that not only semantic but also structural knowledge is involved in navigating the Web…

Discusses the development of Minerva, a command-and-control training simulator that uses a multimedia computer network to exercise senior decision makers in crisis management at the Metropolitan Police Service (London). Examines the learning environment, programs, performance reviews, training scenarios, and technology. (AEF)