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CHI '01 Extended Abstracts on Human Factors in Computing Systems ,
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On the reliability of usability testing:
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Posters and Short Talks of the 1992 SIGCHI Conference on Human Factors in Computing Systems ,
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Observer accuracy in usability testing : the effects of ..:
, In:
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Posters and Short Talks of the 1992 SIGCHI Conference on Human Factors in Computing Systems ,
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