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The paper presents and discusses the graphical interface design of three interactive television prototypes. These were manipulated in colour and shape in order to display different degrees of extrovert character. The manipulation was based on colour and psychology theory that connects personality traits with visual aesthetics. The first-time impressions of the prototypes were later evaluated in reference to the users' measured personality traits; this since previous work on postures and voice has shown that personality factors influence the users' interface design preferences. The user test concludes that the users do recognise the intended extrovert and introvert features of the prototypes.
Arvid Karsvall (Sat,) studied this question.