Figure 53.1: An overview of the scenario-based design frame- work.Scenarios serve as a central representation throughout the development cycle,?rst describing the goals and concerns of current use,and then being successively transformed and re?ned through an iterative design and evaluation process (from Rosson &Carroll,2001b).HCI human–computer interaction.                     

Mary Beth Rosson and John M. Carroll (2003). Scenario-Based Design In: J. A. Jacko and A. Sears (Eds) The Human-Computer Interaction Handbook. © 2003 by Lawrence Erlbaum Associates.  All Rights Reserved.