Review Article
Usability Barriers for Elderly Users in Smartphone App Usage: An Analytical Hierarchical Process-Based Prioritization
Table 7
Categorization of the identified barriers.
| S. no. | Categories | Barriers |
| 1 | Sensory function | Small font, screen size, font type, buttons, color contrast, low voice quality, unlabeled and unfamiliar icon's size, visibility, and poor readability | 2 | Cognition | Navigational issues, complex users' interfaces and functions, variety of mobile device design, and visual feedback of operation | 3 | Motor skills/impairment | Drag and drop soft keys and multitap, mobile text input e entry, touch screen and virtual keyboard, and the small key with a small gap between them | 4 | Mental model | Lack of experience and knowledge and lack of awareness and up-to-date knowledge | 5 | Financial limitation | Lack of support and trust, device cost, and Internet connection |
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