@Article{信息:doi 10.2196 / / jmir。7219，作者="van Lent, Liza GG和Sungur, Hande和Kunneman, Florian A和van de Velde, Bob和Das, Enny"， title="太远到不在乎?“用Twitter衡量公众对埃博拉的关注和恐惧”，期刊=“J Med Internet Res”，年=“2017”，月=“6”，日=“13”，量=“19”，数=“6”，页=“e193”，关键词=“心理理论”;流行;害怕;距离知觉;背景:2014年，埃博拉病毒的突然爆发震惊了全世界。虽然埃博拉病毒的感染和死亡几乎只发生在几内亚、塞拉利昂和利比里亚，但很少有潜在的西方病例，特别是在西方国家引起了巨大的轰动。目的:本研究建立在解释水平理论的基础上，探讨对一种流行病的心理距离与Twitter上表达的公众关注和情绪之间的关系。尽管之前的研究已经表明了社交媒体在评估实时公众舆论和情绪方面的潜力，但进一步发展的理论缺乏可推广的见解。 Methods: Epidemiological data (number of Ebola infections and fatalities) and media data (tweet volume and key events reported in the media) were collected for the 2014 Ebola outbreak, and Twitter content from the Netherlands was coded for (1) expressions of fear for self or fear for others and (2) psychological distance of the outbreak to the tweet source. Longitudinal relations were compared using vector error correction model (VECM) methodology. Results: Analyses based on 4500 tweets revealed that increases in public attention to Ebola co-occurred with severe world events related to the epidemic, but not all severe events evoked fear. As hypothesized, Web-based public attention and expressions of fear responded mainly to the psychological distance of the epidemic. A chi-square test showed a significant positive relation between proximity and fear: $\chi$22=103.2 (P<.001). Public attention and fear for self in the Netherlands showed peaks when Ebola became spatially closer by crossing the Mediterranean Sea and Atlantic Ocean. Fear for others was mostly predicted by the social distance to the affected parties. Conclusions: Spatial and social distance are important predictors of public attention to worldwide crisis such as epidemics. These factors need to be taken into account when communicating about human tragedies. ", issn="1438-8871", doi="10.2196/jmir.7219", url="//www.mybigtv.com/2017/6/e193/", url="https://doi.org/10.2196/jmir.7219", url="http://www.ncbi.nlm.nih.gov/pubmed/28611015" }