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Smart but not adapted enough : heuristic evaluation of smartphone launchers with an adapted interface and assistive technologies for older adults
ID Petrovčič, Andraž (Author), ID Rogelj, Ajda (Author), ID Dolničar, Vesna (Author)

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Abstract
Launchers have been suggested as a viable means of increasing the uptake of smartphones and assistive technologies (ATs) among older adults. Launchers can be designed to ease older adults' use of smartphones by addressing perceptual, cognitive, and motoric changes that might hinder their ability to operate smartphones. However, little research currently exists that analyses the characteristics and assesses the usability of launchers with an adapted user interface (UI) for older adults. Thus, we present a study in which we compared a set of commercialised smartphone launchers with an adapted UI and ATs for older adults by means of heuristic evaluation. The results showed that launchers generally integrate only basic features (i.e., calls, texting, contacts) and only one AT (i.e., an SOS service). Although considerable variation exists between them in terms of overall usability, we also report the limited adequacy of launcher UIs in meeting older adults' needs and abilities. In particular, usability problems linked to content and perception were discovered that limit the older adults' capability for error recovery as well as visual, auditory, and haptic access to the information provided by the UI. Interestingly, launchers with a larger number of features and ATs were found to have, on average, less usability problems. This indicates that reducing the number of features is not necessarily a feasible way to increase usability. Instead, more research-based development is needed, which should better consider recommendations for the age-friendly design of UIs on smartphones.

Language:English
Keywords:age-friendly design, assistive technology, heuristic evaluation, launcher
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FDV - Faculty of Social Sciences
Publication status:Published
Publication version:Author Accepted Manuscript
Publication date:17.10.2017
Year:2018
Number of pages:Str. 123-136
Numbering:Vol. 79
PID:20.500.12556/RUL-138830 This link opens in a new window
UDC:004.5:621.395.721.5
ISSN on article:0747-5632
DOI:10.1016/j.chb.2017.10.021 This link opens in a new window
COBISS.SI-ID:35265885 This link opens in a new window
Publication date in RUL:22.08.2022
Views:274
Downloads:246
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Record is a part of a journal

Title:Computers in human behavior
Shortened title:Comput. hum. behav.
Publisher:Elsevier Science
ISSN:0747-5632
COBISS.SI-ID:14588182 This link opens in a new window

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