The evaluator effect in usability tests

Abstract

Usability tests are applied in industry to evaluate systems and in research as a yardstick for other usability evaluation methods. However, one potential threat to the reliability of usability tests has been letI unaddressed: the evaluator effect. In this study, four evaluators analyzed four videotaped usability test sessions. Only 20% of the 93 unique… (More)
DOI: 10.1145/286498.286737

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@inproceedings{Jacobsen1998TheEE, title={The evaluator effect in usability tests}, author={Niels Ebbe Jacobsen and Morten Hertzum and Bonnie E. John}, booktitle={CHI Conference Summary}, year={1998} }