Using task analysis to improve usability of fatigue modelling software

  • Authors:
  • Michael Paradowski;Adam Fletcher

  • Affiliations:
  • The Centre for Sleep Research, The University of South Australia, Level 5, The Basil Hetzel Institute, The Queen Elizabeth Hospital, Woodville Road, Woodville SA 5011, Australia;The Centre for Sleep Research, The University of South Australia, Level 5, The Basil Hetzel Institute, The Queen Elizabeth Hospital, Woodville Road, Woodville SA 5011, Australia

  • Venue:
  • International Journal of Human-Computer Studies
  • Year:
  • 2004

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Abstract

The design of any interactive computer system requires consideration of both humans and machines. Software usability is one aspect of human-computer interaction that can benefit from knowledge of the user and their tasks. One set of methods for determining whether an application enables users to achieve their predetermined goals effectively and efficiently is task analysis. In the present study, a task analysis was applied to the graphical user interface of fatigue modelling software used in industry. The task analysis procedure allowed areas of usability improvement to be identified and then addressed with alternate interface prototypes. The present method of task analysis illustrates a practical and efficient way for software designers to improve software usability, user effectiveness and satisfaction, by involving users in the design process.