This investigation of the encoding features of graphs begins with a description of a cognitive framework which allows designers to factor into the process of designing displays how people interpret the information found and what display properties are responsible for this interpretation. The framework also provides a performance measure for use in…

Discusses two ways in which task analysis can be integrated with instructional design--substantive integration, where the type of task analysis is determined by design type, and temporal integration, where analysis activities are interspersed with design activities. Flowcharts, examples of and procedures for instructional analysis, and references…