考虑群体思维的网络舆论演化研究

Research on Network Public Opinion Evolution Considering Groupthink

[目的/意义]社会对舆论一致性诉求导致了群体思维现象的出现,而群体思维作用于个体在网络关系中的思考模式,影响着网络舆论的聚散和发展。[方法/过程]文章将基于Agent建模仿真方法和小世界网络,考虑个体对观点独立性和一致性的不同诉求来刻画群体思维的作用,引入个体的观点回报值并基于峰值记忆进行决策,探讨不同群体思维情景和网络结构下舆论演化的规律。[结果/结论]研究显示,普通情景中舆论力量较为分散,而在极端情景中却涌现出了一致性较强的舆论观点。前者随着群体思维度的增强,观点持有人数差异变小,不确定性增强,观点回报下降;后者随着网络结构参数的变化,呈现出了更多不同的演化规律。

[Purpose/significance]Society’s appeal to public opinion leads to the emergence of groupthink which affects the gathering and development of network public opinion by acting on the individual’s thinking mode in network relationship.[Method/process]By combining the agent-based modeling and the small world network,this paper considers the agent’s different demands for opinion independence and consistency to characterize the role of groupthink,and introduces agent’s opinion rewards to make decisions based on peak memory,and explores the evolution of public opinion in different groupthink scenarios and network structures.[Result/conclusion]Studies have shown that public opinion forces are more dispersed in normal scenarios,but in extreme scenarios,there is a strong consensus opinion.With the more emphasis on groupthink,the difference of opinion holders’numbers among opinions becomes smaller,the uncertainty increases,and the return of opinions decreases.With the changes of network structure parameters,more different evolution laws are presented.