CHM 5 Study Guide - Mental Models
Document Summary
Guideline 1: provide a good conceptual model allows user to predict the effects of their actions. Challenge: designer"s conceptual model is communicated via system image: appearance, instructions, system behavior through interaction transfer, idioms and stereotypes. If system image does not make model clearand consistent user will develop inconsistent conceptual model. What they are and why we care about them. Cognition usually doesn"t happen (or doesn"t need to happen) in a vacuum. Is concerned with explaining cognitive processes when we interact with external representations (e. g. maps, notes, diagrams)
