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Title: Usability problem reports for comparative studies: consistency and inspectability
Authors: Vermeeren, Arnold P.O.S.
Attema, Jelle
Akar, Evren
de Ridder, Huib
von Doorn, Andrea J.
Erbug, Cigdem
Berkman, Ali E.
Maguire, Martin
Issue Date: 2008
Publisher: © Taylor & Francis
Citation: VERMEEREN, A.P.O.S. ... et al, 2008. Usability problem reports for comparative studies: consistency and inspectability. Human-Computer Interaction, 23 (4), pp. 329-380.
Abstract: The present study explores issues of consistency and inspectability in usability test data analysis processes and reports. Problem reports resulting from usability tests performed by three professional usability labs in three different countries are compared. Each of the labs conducted a usability test on the same product, applying an agreed test protocol that was collaboratively developed by the labs. Each lab first analyzed their own findings as they always do in their regular professional practice. A few weeks later, they again analyzed their findings but then everyone applied the same method (SlimDEVAN: a simplified version of DEVAN, a method developed for facilitating comparison of findings from usability tests in an academic setting). It was found that levels of agreement between labs did not improve when they all used SlimDEVAN there was inherent subjectivity in their analyses. It was found that consistency of single analysts in analyzing their data can be improved by using a method like SlimDEVAN. Such methods can also help in making the analysis process and findings more inspectable. Inspectability is helpful in comparative studies based on identified usability problems because it allows for the traceability of findings to original observations, as well as for laying bare the subjective parts of the data analysis.
Description: This article was published in the journal, Human-Computer Interaction [© Taylor & Francis] and the definitive version is available at: http://dx.doi.org/10.1080/07370020802536396
Version: Accepted for publication
DOI: 10.1080/07370020802536396
URI: https://dspace.lboro.ac.uk/2134/4252
ISSN: 0737-0024
Appears in Collections:Published Articles (Design School)

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