In this paper we report the results of a pilot study comparing the older and younger adults' interaction with an Android TV application which enables users to detect errors in video subtitles. Overall, the interaction with the TV-mediated crowdsourcing system relying on language profficiency was seen as intuitive, fun and accessible, but also cognitively demanding; more so for younger adults who focused on the task of detecting errors, than for older adults who concentrated more on the meaning and edutainment aspect of the videos. We also discuss participants' motivations and preliminary recommendations for the design of TV-enabled crowdsourcing tasks and subtitle QA systems.
翻译：在本文中,我们报告了一项试点研究的结果,该试验研究比较了老年人和年轻人与Android电视应用程序的互动,使用户能够发现视频字幕中的错误。总的来说,与依赖语言熟练程度的以电视为媒介的众包系统的互动被视为直观、有趣和易懂,但也具有认知上的要求;对侧重于发现错误任务的年轻成年人而言,比对更注重视频含义和娱乐方面的老年成年人而言更为如此。我们还讨论了参与者的动机和设计以电视为根据的众包任务和配有字幕的QA系统的初步建议。
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