Publikace detail

Towards Establishing a Score of Usability Evaluation

Autoři: Hub Miloslav | Zatloukal Michal

Rok: 2009

Druh publikace: článek v odborném periodiku

Název zdroje: E+M Ekonomie a Management

Název nakladatele: Technická univerzita v Liberci

Místo vydání: Liberec

Strana od-do: 156-168

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Stanovení skóre ohodnocení použitelnsti	The paper deals with the problem of finding a methodology which allows obtaining a score of usability evaluation for various kinds of user interfaces. The evaluation is in principle based on a definition of a set of properly chosen key characteristics affecting the usability of the user interface. Such criteria are then evaluated by a group of typical users of the system. These evaluations are in principle expressed as imprecise, vague linguistic expressions stating commonly known truths representing some value of quality of use. Since the crisp numbers cannot directly express vague terms or ambiguities, theory of fuzzy logic has been chosen as the most appropriate apparatus to deal with the uncertainty. The evaluations expressed in users? natural language are converted to the set of normalized evaluation words. With the help of database of commonly used words, users are not limited to use their common language.
eng	Towards Establishing a Score of Usability Evaluation	The paper deals with the problem of finding a methodology which allows obtaining a score of usability evaluation for various kinds of user interfaces. The evaluation is in principle based on a definition of a set of properly chosen key characteristics affecting the usability of the user interface. Such criteria are then evaluated by a group of typical users of the system. These evaluations are in principle expressed as imprecise, vague linguistic expressions stating commonly known truths representing some value of quality of use. Since the crisp numbers cannot directly express vague terms or ambiguities, theory of fuzzy logic has been chosen as the most appropriate apparatus to deal with the uncertainty. The evaluations expressed in users? natural language are converted to the set of normalized evaluation words. With the help of database of commonly used words, users are not limited to use their common language.	Usability evaluation;user interface;fuzzy theory;usability score

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