| Sumario: | Products can generate constraints when their design does not meet the principles of usability (US) or user experience (UX). Among the design attributes that can interfere with these variables, colour stands out. The objective of the present study was to analyse the influence of colour on US and UX, during interaction with a product in different colours. The methodological procedures were characterized as inductive, empirical and exploratory. Thirty Portuguese women participated, aged between 60 and 80 years. Three identical clay sausage roasters, presented in different colours: terracotta, green and grey, were evaluated with Emotional Response Cards (ERC), a non-verbal self-report instrument; and Perceived Usability Cards (PUC), a verbal and emoji self-report instrument. The results point to an association between product colour, emotional valences and ERC cards with usability. Thus, US and UX can be applied in combination to improve the quality of products’ design.
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