Human-Computer Interaction 3e ­ Dix, Finlay, Abowd, Beale

CHAPTER 15
task models

outline

links

resources

exercises

Task analysis is the study of the way people perform tasks with existing systems.

• Techniques for task analysis:
  • decomposition of tasks into subtasks
  • taxonomic classification of task knowledge
  • listing things used and actions performed.
• Sources of information:
  • existing documentation
  • observation
  • interviews.
• Using task analysis to design:
  • manuals and documentation
  • new systems.

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