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A Study on the Cross-Screen User Experience of Watching Live Streaming News

机译：观看直播流新闻的跨屏幕用户体验的研究

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With the wide spread of smart handheld device and the rapid development of Internet technology, the opportunity for global population to use live broadcast technology across screens has been increasing. Traditional ways of watching TV news via cable or air broadcasting are no longer the primary media receiving channel for users. In fact, in the modern era, many media corporates also provide instant and fast news to the public by using different communication channels on different devices. By adopting the behavior of cross-screen live streaming news watching, the authors hope to explore innovative interaction styles with users and, at the same time, increase their cross-screen user experience. The purpose of this study is to explore the users' task performance regarding information search while conducting cross-screen interactions. The experiment was a two-factor mixed factorial design, i.e. 2 (viewing style) × 2 (graphic/text focus). A total of four prototypes were created for the experiment. Twelve participants were invited to take part in the experiment by convenient sampling method. The participants were asked to conduct five tasks. Among them, two of the participants' task performance were collected for further statistical analysis. After the tasks were conducted, each participant was required to answer the questionnaire of System Usability Scale (SUS), NASA Task Load Index (NASA-TLX), and subjective preference. A semi-structured interview was also conducted after the participant completed the experimental tasks. The generated results of this study revealed that: (1) The viewing style tended to be different according to users' use scenarios. Their degrees of interests were related to the information contents. (2) The recommended information visualization is to adopt graphic first with text as supportive information. That is, when the user could not understand the meaning of the graphics, they can confirm by reading the texts or click on the relevant icon for more information. (3) In task 1, most participants preferred to interact with the device in the horizontal style with texts first and graphics as supportive design. This is because the toolbar is placed on the right side of the screen for better click-on position. (4) In task 5, most participants preferred interact with the device in the vertical style with graphics first and texts as supportive design. This is because the page was placed in the lower right corner of the screen after zooming out and it was displayed as an icon.
机译：随着智能手持设备的广泛传播和互联网技术的快速发展，全球人口在跨越屏幕上使用直播技术的机会一直在增加。通过电缆或空中广播观看电视新闻的传统方式不再是用户的主要媒体接收通道。事实上，在现代时代，许多媒体公司还通过在不同设备上使用不同的通信渠道为公众提供即时和快速的消息。通过采用跨屏直播新闻观看的行为，作者希望探索与用户的创新互动风格，同时增加其跨屏幕用户体验。本研究的目的是在进行跨屏交互时探讨有关信息搜索的用户的任务性能。实验是一个双因素混合因子设计，即2（观看样式）×2（图形/文本焦点）。为实验创建了四种原型。邀请12位参与者通过方便的采样方法参与实验。要求参与者进行五个任务。其中，收集了两个参与者的任务表现，以进行进一步的统计分析。任务进行了后，需要每个参与者回答系统可用性量表（SUS），美国航空航天局任务负载指数（NASA-TLX），和主观偏好的调查问卷。在参与者完成实验任务后，还进行了半结构化访谈。本研究的生成结果透露：（1）根据用户使用方案，观看风格趋于不同。他们的兴趣度与信息内容有关。 （2）建议的信息可视化是首先采用图形，文本作为支持信息。也就是说，当用户无法理解图形的含义时，他们可以通过读取文本或单击相关图标以获取更多信息。 （3）在任务1中，大多数参与者都喜欢与设备中的设备与文本和图形的水平样式交互，作为支持性设计。这是因为工具栏被放置在屏幕的右侧，以便更好地点击位置。 （4）在任务5中，大多数参与者首选与图形中的垂直样式与设备交互，文本作为支持性设计。这是因为在缩小后，页面被放置在屏幕的右下角，并显示为图标。

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