Within the United States, the majority of the populace receives their news online. U.S mainstream media outlets both generate and influence the news consumed by U.S citizens. Many of these citizens have their personal beliefs about these outlets and question the fairness of their reporting. We offer an interactive visualization system for the public to assess their perception of the mainstream media's coverage of a topic against the data. Our system combines belief elicitation techniques and narrative structure designs, emphasizing transparency and user-friendliness to facilitate users' self-assessment on personal beliefs. We gathered $\sim${25k} articles from the span of 2020-2022 from six mainstream media outlets as a testbed. To evaluate our system, we present usage scenarios alongside a user study with a qualitative analysis of user exploration strategies for personal belief assessment. We report our observations from this study and discuss future work and challenges of developing tools for the public to assess media outlet coverage and belief updating on provocative topics.

翻译：在美国，多数民众通过互联网获取新闻。美国主流媒体机构既生产也影响着美国公民所消费的新闻内容。许多公民对这些媒体机构持有个人观点，并质疑其报道的公正性。我们提出一种交互式可视化系统，供公众对照数据评估其对主流媒体在特定话题报道上的感知。该系统融合信念诱发技术与叙事结构设计，强调透明性和用户友好性，以促进用户对自身信念进行自我评估。我们收集了2020-2022年间来自六家主流媒体机构的约2.5万篇文章作为测试平台。为评估系统效果，我们通过使用场景展示与用户研究（含对个人信念评估探索策略的定性分析）相结合的方式进行验证。我们报告了研究中的观察结果，并讨论了为公众开发用于评估媒体机构报道及敏感话题信念变革工具的未来工作与挑战。