The echo chamber effect of rumor rebuttal behavior of users in the early stage of COVID-19 epidemic in China
作者：
Highlights：
• Construct representative networks of information and communication flow networks of users.
• Homophily indicators, exponential random graph models to evaluate level of homophily.
• Veracity-based echo chamber existed in users' retweeting and commenting on rumor rebuttals.
• Retweeting promoted self-isolation of users' standpoints.
• Commenting used for users' standpoint debates.
摘要
•Construct representative networks of information and communication flow networks of users.•Homophily indicators, exponential random graph models to evaluate level of homophily.•Veracity-based echo chamber existed in users' retweeting and commenting on rumor rebuttals.•Retweeting promoted self-isolation of users' standpoints.•Commenting used for users' standpoint debates.
论文关键词：Public health,Rumor rebuttal,Echo chamber effect,Information,User,Weibo
论文评审过程：Received 29 April 2021, Revised 24 October 2021, Accepted 30 October 2021, Available online 1 November 2021, Version of Record 23 December 2021.
论文官网地址：https://doi.org/10.1016/j.chb.2021.107088
