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    Human-Centered Design Components in Spiral Model to Improve Mobility of Older Adults

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    Identifiers
    URI: http://hdl.handle.net/11556/716
    ISBN: 978-3-319-93490-7
    DOI: 10.1007/978-3-319-93491-4_5
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    Author/s
    Khakurel, Jayden; Porras, Jari; Melkas, Helinä; Garzo, Ainara
    Date
    2019
    Keywords
    Older adults
    Human centered design
    Human computer interaction
    Usability
    Abstract
    As humans grow older, their cognitive needs change more frequently due to distal and proximal life events. Designers and developers need to come up with better designs that integrate older users’ needs in a short period of time with more interaction with the users. Therefore, the positioning of human end users in the center of the design itself is not the key to the success of design artifacts while designing applications for older adults to use a smartphone as a promising tool for journey planner while using public transportation. This study analyzed the use of human-centered design (HCD) components, the spiral model, and the design for failure (DfF) approach to improve the interactions between older users and designers/developers in gathering usability needs in the concept stage and during the development of the app with short iterative cycles. To illustrate the importance of the applied approach, a case study with particular focus on older adults is presented.
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    bookPart

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