In two minds about usability? rationality and intuition in usability evaluations

Authors:
Volker Thoma;Elliott P. White
Affiliations:
University of East London, London;University of East London, London
Venue:
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part IV
Year:
2011

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Abstract

Usability ratings of a university website by 60 students were analysed together with participant's self-ratings of their cognitive style. The degree of users' "rational" as well as their "intuitive" style correlated with usability evaluation scores. In particular, self-reported rational ability was connected with evaluations of Controllability, intuitive ability was related to Helpfulness scores of the interface. Thinking style significantly affects usability ratings (explaining over 9% of the ratings' variation), which has implications for evaluations across user groups.