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Usability evaluation support apparatus and method

  • US 20040075685A1
  • Filed: 02/10/2003
  • Published: 04/22/2004
  • Est. Priority Date: 09/19/2002
  • Status: Active Grant
First Claim
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1. An apparatus which uses an instrument comprising a display unit for displaying information to support evaluation of usability in a given task, the apparatus comprising:

  • means for acquiring information of an operation log related to an operation performed by a user in achieving the task; and

    index evaluation means for evaluating individually an effectiveness index, efficiency index, and satisfaction index related to achieving a target of the task, wherein the index evaluation means uses measurement results of a plurality of measurement items including the operation log information to evaluate the effectiveness, efficiency, and satisfaction indexes, divides the measurement results concerning performance of each subtask included as an element of the task, and uses the divided measurement results to evaluate the effectiveness, efficiency, and satisfaction indexes for each subtask.

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