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Does Social Media Users’ Interaction Influence the Formation of Echo Chambers? Social Network Analysis Based on Vaccine Video Comments on YouTube

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  • Mingfei Sun

    (School of Journalism and New Media, Xi’an Jiaotong University, Xi’an 710049, China)

  • Xiaoyue Ma

    (School of Journalism and New Media, Xi’an Jiaotong University, Xi’an 710049, China)

  • Yudi Huo

    (School of Journalism and New Media, Xi’an Jiaotong University, Xi’an 710049, China)

Abstract

The characteristics and influence of the echo chamber effect (TECE) of health misinformation diffusion on social media have been investigated by researchers, but the formation mechanism of TECE needs to be explored specifically and deeply. This research focuses on the influence of users’ imitation, intergroup interaction, and reciprocity behavior on TECE based on the social contagion mechanism. A user comment–reply social network was constructed using the comments of a COVID-19 vaccine video on YouTube. The semantic similarity and Exponential Random Graph Model (ERGM) were used to calculate TECE and the effect of three interaction mechanisms on the echo chamber. The results show that there is a weak echo chamber effect (ECE) in the spread of misinformation about the COVID-19 vaccine. The imitation and intergroup interaction behavior are positively related to TECE. Reciprocity has no significant influence on TECE.

Suggested Citation

  • Mingfei Sun & Xiaoyue Ma & Yudi Huo, 2022. "Does Social Media Users’ Interaction Influence the Formation of Echo Chambers? Social Network Analysis Based on Vaccine Video Comments on YouTube," IJERPH, MDPI, vol. 19(23), pages 1-14, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:23:p:15869-:d:987617
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    References listed on IDEAS

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    1. Magda Osman & Zoe Adams & Bjoern Meder & Christos Bechlivanidis & Omar Verduga & Colin Strong, 2022. "People’s understanding of the concept of misinformation," Journal of Risk Research, Taylor & Francis Journals, vol. 25(10), pages 1239-1258, October.
    2. Milena Tsvetkova & Michael W Macy, 2014. "The Social Contagion of Generosity," PLOS ONE, Public Library of Science, vol. 9(2), pages 1-9, February.
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