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Title: The IsoMetrics Usability Inventory: An operationalisation of ISO 9241-10
Authors: Günther Gediga, Fachbereich Psychologie, Universität Osnabrück
Kai-Christoph Hamborg, Fachbereich Psychologie, Universität Osnabrück
Ivo Düntsch, School of Information and Software Engineering, University of Ulster
(Equal authorship implied)
Status: Behaviour and Information Technology, 1999, 18, 151 - 164
Abstract: Aiming at a user-oriented approach in software evaluation on the basis of ISO 9241 Part 10, we present a questionnaire (IsoMetrics) which collects usability data for summative and formative evaluation, and document its construction. The summative version of IsoMetrics shows a high reliability of its subscales and gathers valid information about differences in the usability of different software systems. Moreover, we show that the formative version of IsoMetrics is a powerful tool for supp orting the identification of software weaknesses. Finally, we propose a procedure to categorise and prioritise weak points which subsequently can be used as basic input to usability reviews.