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Re: Few Users in Evaluation Session and Avoiding Leading Questions

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  • Theo Mandel, Ph.D.
    You are in a tough spot. You should try to get more participants per user group or reduce the number of different user groups to get more subjects per group.
    Message 1 of 2 , Jun 23, 2008
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      You are in a tough spot. You should try to get more participants per user group or reduce the number of different user groups to get more subjects per group. Having only one participant per user group extremely limits your ability to analyze results by user group. You will have no way of telling whether differences between groups are actually individual differences.
       
      You mentioned you already have a list of usability issues you hope to get feedback on during the evaluation. First, you should design the evaluation tasks to allow participants to experience those functional/workflow/usability issues or areas you are interested in. You must avoid asking leading questions and directing participants during the evaluation tasks. However, after completing tasks and after the session, you can certainly ask for their feedback on troublesome issues they experienced during the evaluation or even issues they may not have come across or commented on during the evaluation.
       
      Theo Mandel, Ph.D.
      Healthcare Chairman, World Usability Day 2007
       
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