Characterizing the dissemination of misinformation on social media in health emergencies: An empirical study based on COVID-19

作者：

Highlights：

• Drawing on social support theory and text mining, this study explored the dissemination mechanism of health-related misinformation about COVID-19.

• Health caution and advice, health help seeking misinformation, and emotional support play a significantly role in health misinformation spreading.

• Misinformation ambiguity strengthens the effect of health caution and advice misinformation and weakens the effects of health help seeking misinformation and emotional support.

• Misinformation richness strengthens the effect of health caution and advice misinformation and weakens the effect of emotional support.

摘要

•Drawing on social support theory and text mining, this study explored the dissemination mechanism of health-related misinformation about COVID-19.•Health caution and advice, health help seeking misinformation, and emotional support play a significantly role in health misinformation spreading.•Misinformation ambiguity strengthens the effect of health caution and advice misinformation and weakens the effects of health help seeking misinformation and emotional support.•Misinformation richness strengthens the effect of health caution and advice misinformation and weakens the effect of emotional support.

论文关键词：Misinformation dissemination during health emergencies,Health caution and advice misinformation,Health help-seeking misinformation,Emotional support,Misinformation ambiguity,Misinformation richness

论文评审过程：Received 27 September 2020, Revised 18 February 2021, Accepted 19 February 2021, Available online 3 March 2021, Version of Record 3 March 2021.

论文官网地址：https://doi.org/10.1016/j.ipm.2021.102554