| Netizen sentiment,as an important factor in promoting the development of public opinion,is an important variable that determines whether the handling of public opinion is effective,and its guidance and governance are also key points of public opinion response.This article chooses "Jiangsu Xiangshui explosion accident" as the research case,uses the quartet theory of crisis communication and the theory of emotion formation as the theoretical basis,and uses the method of case study and content analysis to capture 8,059 Weibo comments through crawler technology.The sample is analyzed.This research focuses on the three basic elements of netizen emotions,namely,cognitive assessment,feeling and expression,and measures and recognizes netizen emotions through the methods of emotion polarity and intensity,emotion type,and word frequency weight.Research has found that netizens in the latent stage of public opinion are emotionally impulsive and diverse,and their appeals are mainly expressed in emotional appeals;the emotional interaction of netizens in the outbreak stage is mainly based on appeals for interests;mainstream emotions are formed in the spreading stage of public opinion,and appeals for social justice Mainly: Netizens’ mood in the fading phase of public opinion recovers calm,mainly political appeals.Based on the above characteristics,I propose the following suggestions for public opinion response to accidents and disasters: the latent stage of public opinion,seize opportunities for hedging,disseminate authoritative information and mainstream views,and timely monitor reverse sentiment;the outbreak and spread stage of public opinion,highlighting accountability,To curb the spread of rumors and guide netizens to rationally express;at the stage of dissolution of public opinion,build an emotional consensus,formulate compensation measures,and summarize experience and lessons.The research path of existing public opinion response strategies is generally to propose countermeasures by exploring the current status and problems of the evolutionary characteristics of public opinion of a certain event.This research is based on the framework of the development cycle of public opinion and through the data visualization analysis of netizen sentiment,it opens up new ideas for the research of public opinion governance.At the same time,it first summarized the common characteristics of netizens’ emotions in different public opinion development cycles of accidents,disasters and public opinion events,and pointed out specific directions for the response strategies of accidents and disasters at different public opinion development stages. |