•  13
    Based on Network Agenda Setting Model, this study collected 42,516 media reports from Party Media, commercial media, and We Media of China during the COVID-19 pandemic. We trained LDA models for topic clustering through unsupervised machine learning. Questionnaires and social network analysis methods were then applied to examine the correlation between media network agendas and public network agendas in terms of explicit and implicit topics. The study found that the media reports could be classi…Read more
  •  71
    Event history analysis of the duration of online public opinions regarding major health emergencies
    with Xiaoyan Liu, Jiarui Zhao, and Ran Liu
    Frontiers in Psychology 13. 2022.
    Based on event history analysis, this study examined the survival distribution of the duration of online public opinions related to major health emergencies and its influencing factors. We analyzed the data of such emergencies that took place in China during a period of 10 years. The results of the Kaplan-Meier method and Cox proportional hazards regression analysis showed that the average duration of online public opinions regarding health emergencies is 43 days, and the median is 19 days, whic…Read more