转型社会视域下，高度媒介化的传播生态使得微媒介动员日渐成为公共事件的增效器，与此同时，媒介动员体又呈现出破碎化现象。以南昌“象湖事件”为研究对象，通过对事件发生地的实地调研，考察事件进程中抗争主体借助微媒介，形成动员共同体后逐渐离散与消解的具体表征与现实动因。研究发现众声喧哗的话语暴力促生了抗争主体的看客心态，成为动员体破碎的具体表征。而传统媒介系统的失效与灯下黑效应又进一步催生谣言传播、刻板效应等潜在风险。因此面对公共事件，应当强化信息的疏通，促进舆情机制的建立，以公正平衡的报道框架消弭事件双方的对抗情绪。%From the perspective of transitional society,media ecology of the highly developed mass media enable mi-cro medium mobilization to become the multiplier of public affairs,and micro medium mobilization is fragmented. In this paper,we take“Xianghu Event”happened in Nanchang City for example. Through the on-site interviews,we find out the complex causes of the situation in which the event participants mobilize other individuals who have the same interests with them using micro medium,but the community mass disappears gradually. The study finds that the heteroglossia of the discourse violence leads to“bystander psychology”,which represents the specific characteriza-tion of fragmentation of the mobilizing community. The failure of the traditional media and the black effect of the dark light further promote the rumor spread,which causes the stereotype risk. In the public affairs,we should strengthen the information mediatation,promote the establishment of public opinion mechanism,with a balanced re-porting framework to eliminate the resistance mood of the two parties involved in the events.
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