Testing the usability of a personalized system: comparing the use of interviews, questionnaires and thinking-aloud

Velsen van, Lex and Geest van der, Thea and Klaassen, Rob (2007) Testing the usability of a personalized system: comparing the use of interviews, questionnaires and thinking-aloud. In: IEEE International Professional Communication Conference, IPCC 2007, 1-3 Oct. 2007 , Seattle, Washington.

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Abstract:	Personalized systems present each user with tailored content or output. Testing the usability of such a system must take some specific usability issues and the suitability of the personalized output into account. In this study, we evaluated a personalized search engine to compare the use of interviews, questionnaires and concurrent thinking- aloud to this avail. The interview and the questionnaire are the best methods to elicit comments on usability issues. Concurrent thinking-aloud turned out to be the best method to elicit comments on the perceived relevance of search results. When testing the usability of a personalized system it is wise to use a combination of concurrent thinking-aloud and the interview or the questionnaire.
Item Type:	Conference or Workshop Item
Copyright:	© 2007 IEEE
Faculty:	Behavioural Sciences (BS)
Research Group:	Media, Communication and Organisation (MCO)
Link to this item:	http://purl.utwente.nl/publications/61643
Official URL:	http://dx.doi.org/10.1109/IPCC.2007.4464043
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