Flavio Petruzzellis, Francesco Bonchi, Gianmarco De Francisci Morales, Corrado Monti
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引用次数: 0
摘要
虽然人们对舆论变化的原因关注甚多,但对其后果却知之甚少。我们的研究在这个方向上迈出了第一步,通过观察Reddit,特别是Reddit的r/ChangeMyView,一个致力于在广泛的主题上辩论自己观点的社区。我们通过观察对一系列社会政治社区的参与,分析了在自我报告的意见变化后出现的在线信息消费行为的变化。我们发现,自我报告观点改变的人更有可能改变他们未来在这些社区特定子集中的参与。具体来说,在社区中使用类似宣传的语言与离开该社区的几率增加之间存在显著关联(Pearson r = 0.46)。可比较的结果(Pearson r = 0.39)则相反,即加入这些相同的社区。此外,与观点变化相关的帖子的文本内容表明哪些社区将加入或离开:仅基于这篇文章的文本的预测模型可以精确定位这些社区,平均precision@5为0.20。我们的研究结果建立了意见变化和信息消费之间的联系,并强调了在线宣传社区如何作为内化一个人的社会政治观点转变的第一门户。
On the Relation between Opinion Change and Information Consumption on Reddit
While much attention has been devoted to the causes of opinion change, little is known about its consequences. Our study moves a first step in this direction by looking at Reddit, and in particular to the subreddit r/ChangeMyView, a community dedicated to debating one’s own opinions on a wide array of topics. We analyze changes in online information consumption behavior that arise after a self-reported opinion change, by looking at the participation to a set of sociopolitical communities. We find that people who self-report an opinion change are significantly more likely to change their future participation in a specific subset of those communities. Specifically, there is a significant association (Pearson r = 0.46) between using propaganda-like language in a community and the increase in chances of leaving it. Comparable results (Pearson r = 0.39) hold for the opposite direction, i.e., joining these same communities. In addition, the textual content of the post associated with opinion change is indicative of which communities will be joined or left: a predictive model based only on the text of this post can pinpoint these communities with an average precision@5 of 0.20. Our results establish a link between opinion change and information consumption, and highlight how online propagandistic communities act as a first gateway to internalize a shift in one’s sociopolitical opinion.