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Is Co-creation Superior to User Centred Design? Preliminary Results from User Interface Design for Inclusive Public Transport

Maurice Rekrut; Johannes Tröger; Jan Alexandersson; Daniel Bieber; Kathleen Schwarz
In: Jia Zhou; Gavriel Salvendy (Hrsg.). Human Aspects of IT for the Aged Population. Acceptance, Communication and Participation. Human Computer Interaction International Conferences (HCII-2018), located at International Conference on Human Aspects of IT for the Aged Population, Las Vegas, Nevada, USA, Pages 355-365, ISBN 978-3-319-92034-4, Springer, Cham, 2018.


Mobility is a basic need which is especially critical for older people and persons with physical impairments. Within the scope of a long-term effort, we have established a human-based, technology-aided support service that helps mobility-impaired passengers to use public transport by engaging so-called mobility guides. A mobility guide is a person that supports passengers, for instance door-to-door. In order to interact with the system, e.g. ordering trips and guides, passengers can use a smartphone app or a webpage. Following a user-centered approach, we conducted monthly meetups – regulars’ tables – in order to maintain contact and passengers’ engagement with the goal of eliciting feedback about the UIs’ usability and to jointly discuss new features. However, both quality and quantity of feedback as well as engagement reduced over time. In this paper, we describe and discuss the positive effect of replacing the regulars’ tables with co-creation based meetings with a small dedicated group of passengers – co-developers. Results of the first co-developer workshops indicate substantial improvements in factors like engagement and quality of feedback resulting in concrete enhancements of the UIs.


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