社交网络上的舆论确立能有多快？埃隆·马斯克（Elon Musk）收购推特案终于落幕，言论自由之争正式“开庭”。如果这场争论发生在推特上，裁决结果不久就能浮出水面：根据一项发表在《混沌》（Chaos）杂志上的研究，当一个话题在推特上引爆后，用户会迅速找准队伍，站定自己的立场。研究人员在6个月内收集了大约600万条推文，按情绪表达分为“积极”和“消极”两大类，然后集中分析了三个涉及电子产品的话题。
一开始人们的立场并不坚定，占多数的一方优势并不明显，但这种优势会逐渐扩大，然后迅速趋于平稳，其中一方会处于稳定且主导的地位，但也不会就此形成压倒性共识。
而一旦公众舆论确立了，就……[查看全文] Twitter Opinion Quickly Stabilizes All rise, the Twitter court of public opinion is now in session. And the next case on the docket will reach a quick verdict. Because public opinion solidifies rapidly on Twitter. That's according to a study in the journal Chaos. Researchers collected almost 6 million tweets during a six-month period. They sorted the tweets for either positive or negative sentiments, then focused on three topics related to electronics. At first opinions fluctuated, with one side gaining a slight advantage. This advantage grew gradually and then quickly leveled off, leaving one opinion in a stable and dominant position—but without an overwhelming consensus. And once public opinion is established, it is...
“论文信息 Xiong, F. and Liu, Y. (2014) “Opinion formation on social media: An empirical approach,” Chaos: An Interdisciplinary Journal of Nonlinear Science, 24(1), p. 013130. doi: 10.1063/1.4866011 封面图来源：Unsplash 扫码关注“领研网”微信公众号 订阅最新“科学60秒”英语新闻 不再漏掉任何一次新知 plus 练耳的机会 ~ 阅读原文