Modern news aggregators do the hard work of organizing a large news stream, creating collections for a given news story with tens of source options. This paper shows that navigating large source collections for a news story can be challenging without further guidance. In this work, we design three interfaces -- the Annotated Article, the Recomposed Article, and the Question Grid -- aimed at accompanying news readers in discovering coverage diversity while they read. A first usability study with 10 journalism experts confirms the designed interfaces all reveal coverage diversity and determine each interface's potential use cases and audiences. In a second usability study, we developed and implemented a reading exercise with 95 novice news readers to measure exposure to coverage diversity. Results show that Annotated Article users are able to answer questions 34% more completely than with two existing interfaces while finding the interface equally easy to use.
翻译：现代新闻聚合者辛勤地组织大型新闻流,为特定新闻故事制作收藏品,并有数十种来源选项。本文显示,在无需进一步指导的情况下,为新闻报道浏览大型来源收藏品可能具有挑战性。在这项工作中,我们设计了三个界面 -- -- 附加说明文章、重组文章和问题网 -- -- 目的是陪同新闻读者在阅读时发现报道的多样性。与10名新闻专家进行的首次可用性研究证实设计好的界面都揭示了报道的多样性,确定了每个界面的潜在使用案例和受众。在第二项可用性研究中,我们与95名新版新闻读者一起开发并开展了一项阅读练习,以衡量对报道多样性的曝光程度。结果显示,《附加说明文章》用户能够用两个界面来更完整地回答问题34%的问题,同时找到同样容易使用的界面。
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