Federico Botella
ABSTRACT
Usability inspections are a set of methods for evaluating one interactive system by experts. They try to find possible usability problems and determining the level of usability of the system without involving real users. One of these methods is heuristic evaluation, where several experts inspect one system or its interface for searching usability issues. Some authors maintain that evaluation by experts in usability discovers more usability issues than evaluation conducted by non-experts. But the question is how to determine the degree of expertise of an evaluator.
In this paper we will propose a classification of evaluators based on the university degree obtained or the number of hours of practice gathered in this field. One user could be classified as expert depending on his/her professional career and not only by university degrees. This is why it is important to collect other attributes of each user like domains, skills or projects to determine their expertise. We finally present how to validate these attributes by other users of the proposed repository.
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Index Terms
- How to classify to experts in usability evaluation
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