Social bots and mass media manipulated public opinion through dual opinion climate

doi:10.1088/1674-1056/ac0baa

中国物理B ›› 2022, Vol. 31 ›› Issue (1): 18701-018701.doi: 10.1088/1674-1056/ac0baa

Social bots and mass media manipulated public opinion through dual opinion climate

Chun Cheng(程纯)^1,3, Yun Luo(罗云)^2,3, Chang-bin Yu(于长斌)³, and Wei-ping Ding(丁卫平)^1,†

1 School of Information Science and Technology, Nantong University, Nantong 226019, China;
2 School of Computer Science and Technology, Zhejiang University, Hangzhou 310024, China;
3 School of Engineering, Westlake University, Hangzhou 310024, China

收稿日期:2021-04-19 修回日期:2021-06-06 接受日期:2021-06-16 出版日期:2021-12-03 发布日期:2021-12-14
通讯作者: Wei-ping Ding E-mail:dwp9988@163.com
基金资助:
This work was supported by the National Natural Science Foundation of China (Grant Nos. 61976120 and 62006128) and the Humanities and Social Science Fund of Ministry of Education of China (Grant No. 21YJCZH013).

Social bots and mass media manipulated public opinion through dual opinion climate

Chun Cheng(程纯)^1,3, Yun Luo(罗云)^2,3, Chang-bin Yu(于长斌)³, and Wei-ping Ding(丁卫平)^1,†

1 School of Information Science and Technology, Nantong University, Nantong 226019, China;
2 School of Computer Science and Technology, Zhejiang University, Hangzhou 310024, China;
3 School of Engineering, Westlake University, Hangzhou 310024, China

Received:2021-04-19 Revised:2021-06-06 Accepted:2021-06-16 Online:2021-12-03 Published:2021-12-14
Contact: Wei-ping Ding E-mail:dwp9988@163.com
Supported by:
This work was supported by the National Natural Science Foundation of China (Grant Nos. 61976120 and 62006128) and the Humanities and Social Science Fund of Ministry of Education of China (Grant No. 21YJCZH013).

摘要/Abstract

摘要： Opinion dynamics models based on the multi-agent method commonly assume that interactions between individuals in a social network result in changes in their opinions. However, formation of public opinion in a social network is a macroscopic statistical result of opinions of all expressive individuals (corresponding to silent individuals). Therefore, public opinion can be manipulated not only by changing individuals' opinions, but also by changing their states of expression (or silence) which can be interpreted as the phenomenon "spiral of silence" in social psychology. Based on this theory, we establish a "dual opinion climate" model, involving social bots and mass media through a multi-agent method, to describe mechanism for manipulation of public opinion in social networks. We find that both social bots (as local variables) and mass media (as a global variable) can interfere with the formation of public opinion, cause a significant superposition effect when they act in the same direction, and inhibit each other when they act in opposite directions.

关键词: public opinion, social bots, mass media, spiral of silence

Abstract: Opinion dynamics models based on the multi-agent method commonly assume that interactions between individuals in a social network result in changes in their opinions. However, formation of public opinion in a social network is a macroscopic statistical result of opinions of all expressive individuals (corresponding to silent individuals). Therefore, public opinion can be manipulated not only by changing individuals' opinions, but also by changing their states of expression (or silence) which can be interpreted as the phenomenon "spiral of silence" in social psychology. Based on this theory, we establish a "dual opinion climate" model, involving social bots and mass media through a multi-agent method, to describe mechanism for manipulation of public opinion in social networks. We find that both social bots (as local variables) and mass media (as a global variable) can interfere with the formation of public opinion, cause a significant superposition effect when they act in the same direction, and inhibit each other when they act in opposite directions.

Key words: public opinion, social bots, mass media, spiral of silence

中图分类号: (Dynamics of social systems)

87.23.Ge

02.50.Le (Decision theory and game theory)

Chun Cheng(程纯), Yun Luo(罗云), Chang-bin Yu(于长斌), and Wei-ping Ding(丁卫平). Social bots and mass media manipulated public opinion through dual opinion climate[J]. 中国物理B, 2022, 31(1): 18701-018701.

Chun Cheng(程纯), Yun Luo(罗云), Chang-bin Yu(于长斌), and Wei-ping Ding(丁卫平). Social bots and mass media manipulated public opinion through dual opinion climate[J]. Chin. Phys. B, 2022, 31(1): 18701-018701.

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Social bots and mass media manipulated public opinion through dual opinion climate

Social bots and mass media manipulated public opinion through dual opinion climate

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