Task analysis and human-computer interaction: approaches, techniques, and levels of analysis

  title={Task analysis and human-computer interaction: approaches, techniques, and levels of analysis},
  author={Abe Crystal and Beth Ellington},
In this paper we critically review task analysis models and techniques. These approaches to task analysis are discussed in order to develop a richer picture of human activity, while analyzing their limitations, general weaknesses, and possibilities for improvement. We consider their ability to determine the appropriate set of atomic actions in a task, their effect on workers’ motivational needs, their support of users’ cognitive and sociocultural processes, and their effectiveness in supporting… CONTINUE READING
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