How to measure and to quantify usability of user interfaces

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    Abstract

    One of the main problems of standards in the context of the usability of software quality is that the standards cannot be measured in terms of product features. We present a new approach to measure user interface quality in a quantitative way. First, we develop a concept to describe user interfaces on a granularity level that is detailed enough to preserve important interface characteristics and is general enough to cover most of the known interface types. We distinguish between different types of `interaction points'. With these kinds of interaction points, we can describe several types of interfaces: conventional user interfaces (CUI), such as command-driven, menu-driven and form fill-in, and graphical user interfaces (GUI), such as desktops, direct manipulation, multimedia, etc. We carried out two different comparative usability studies to validate our quantitative measures. The results of one other published comparative usability study can be predicted. The results of six different interfaces are presented and discussed
    Original languageEnglish
    Title of host publicationAdvances in Applied Ergonomics : proceedings of the 1st International Conference on Applied Ergonomics (ICAE '96), Istanbul, Turkey, May 21-24, 1996
    EditorsA.F. Özok, G. Salvendy
    Place of PublicationLafayette, IN, USA
    PublisherUSA Publishing
    Pages429-432
    ISBN (Print)0471880159
    Publication statusPublished - 1996

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