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Browsing by Author Xigen Li

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  • Article

  • Media exposure, perceived efficacy and positive experience as predictors of personal and social risk perceptions of mishandled vaccine in China

    • Authors: Yang Liu; Xigen Li; Zerui Liang; Xiaohua Wu (2021)

  • Informed by social cognitive theory and impersonal impact hypothesis, this study examined the effects of media exposure, perceived efficacy and prior positive experience on risk perception during a risk event concerning mishandled vaccine in China. Through an online survey of 923 Internet users in China, the study explored the effect of media exposure on perceived risk in two dimensions: exposure frequency and exposure extensity, and found that exposure extensity was a significant predictor of personal risk perception, while exposure frequency had a significant effect on social risk perception. Response efficacy negatively predicted perceived social risk, while self-efficacy did not predict perc...
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  • Article

  • The effects of message attributes and source characteristics of news posts on audience engagement on social media

    • Authors: Linsen Su; Xigen Li (2023-04-01)

  • Informed by the theoretical framework of media effects and resonance theory, this study investigates how issue obtrusiveness and information richness as message attributes, and media hierarchy and orientation as source characteristics influence audience engagement with news posts on social media. The data of news posts (N = 943,793) from the top 99 Sina Weibo accounts of Chinese media with likes, comments, and reposts as indicators of audience engagement were retrieved. Through multilevel modeling, the study finds that source characteristics exert stronger effects on audience engagement than message attributes, and the effects on comments differ from those on likes and reposts. The as...