Abstract
This paper addresses the design of wearable technology and its user acceptance by applying the Joint Interview Method. In order to further develop a wearable warning system in form of a glove, five semi-structured joint interviews were held by a trained human factors specialist. Each joint interview consisted of one respondent with an engineering background and one respondent with a psychological or cognitive-science background. In this process, the Joint Interview Method revealed two advantages: First, the interviews benefited from the discussion between both participants and, second, it enabled an observation from two different perspectives (i.e. one implementation-oriented view, which focused on the technological capabilities and the other user-oriented view, which focused on human perception and information processing). Both aspects mentioned led to synergy effects. To sum up, the Joint Interview Method turned out to be a promising usability approach to explore new technologies’ potential and user acceptance and therefore, can be recommended for its use in the process of designing and evaluating wearables.
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