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Elderly Users and Their Main Challenges Usability with Mobile Applications: A Systematic Review

机译:老年用户及其主要挑战:移动应用程序的可用性:系统评价

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The development of mobile applications has become a means to improve the quality of life of older adults since it is possible to apply to various sectors such as medicine, for example. Also, the population aged 60 or above is growing at a rate of about 3 percent per year. Currently, rapid ageing will occur in different parts of the world as well, so that by 2050 all regions of the world except Africa will have nearly a quarter or more of their populations at ages 60 and above [45]. Likewise, it is known that older people require more time to complete tasks on mobile devices |4] and presents usability problems, so the generic developments of mobile applications do not adapt to their needs and special characteristics. For this reason, this paper addresses which are the main usability challenges that adults face when they interact with de user graphic interface of an application and how they can be made more acceptable to the target population. We summarize the relevant issues in three potential causes: visual, psychomotor and cognitive limitations. In the first category we found problems as the size and sharpness for the visual elements such characters, icons, images, charts and buttons. Also, use hard colors or inappropriate contrast color for the elements represents a significant problem to the seniors. On other hand, we found that the demand for fast and repetitive movements for interaction like moving texts or targets, the maximization in the required number of steps to complete a task and the use of scrollbars represent inconveniences in the second category for the elderly. Finally, in the last category, the most relevant issues are the use of nonsignificant and irrelevant graphics, or non-meaningful icons with decoration, animation or with no concise text description that goes with it. Besides, use complex texts and navigating through deep, complex and expandable menu hierarchies causes that older persons getting lost within the device menu.
机译:移动应用程序的开发已经成为改善老年人生活质量的一种手段,因为它有可能应用于各种领域,例如医学。而且,60岁或以上的人口正以每年约3%的速度增长。目前,世界各地也会发生快速老龄化,因此到2050年,除非洲外,世界所有地区的60岁及以上人口将占总人口的近四分之一或更多[45]。同样,众所周知,老年人需要更多时间才能在移动设备上完成任务[4],并且会出现可用性问题,因此移动应用程序的通用开发无法适应他们的需求和特殊特征。因此,本文着眼于成年人在与应用程序的用户图形界面进行交互时面临的主要可用性挑战,以及如何使目标人群更容易接受它们。我们总结了三个潜在原因中的相关问题:视觉,心理运动和认知限制。在第一类中,我们发现了视觉元素(如字符,图标,图像,图表和按钮)的大小和清晰度问题。此外,对元素使用硬色或不适当的对比色对老年人来说是一个重大问题。另一方面,我们发现,对于快速且重复的交互动作(例如移动文本或目标),完成任务所需的步骤数最大化以及滚动条的使用的需求,在第二类老年人中带来了不便。最后,在最后一类中,最相关的问题是使用无关紧要的图形,或带有修饰,动画或没有简洁文字描述的无意义图标。此外,使用复杂的文本并在深入,复杂和可扩展的菜单层次结构中导航会导致老年人迷失在设备菜单中。

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