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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.