在Facebook上量化错误信息和怀疑疫苗的内容的影响
Jennifer Allen1, Duncan J Watts2,3,4, David G Rand1,5,6
1Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA.
概括
社交媒体上的错误信息显著影响了COVID-19疫苗的意图. 没有标志的,怀疑的内容比经过事实检查的错误信息有更大的影响,
科学领域:
- 公共卫生
- 社交媒体分析
- 行为科学
背景情况:
- 美国的COVID-19疫苗接种率较低通常与社交媒体的错误信息有关.
- 不同类型的在线内容对疫苗接种决策的确切影响尚不清楚.
研究的目的:
- 量化与疫苗相关的URL对美国Facebook用户疫苗接种意向的因果关系.
- 为了比较被标记的错误信息与未标记的怀疑内容的影响.
主要方法:
- 开发了一个整合实验室实验 (N=18,725),众包和机器学习的框架.
- 分析了13,206个与疫苗相关的网址,以了解它们对约2.33亿美国Facebook用户的疫苗接种意图的影响.
- 利用大规模数据估计在线内容对疫苗犹的影响.
主要成果:
- 宣传疫苗怀疑的非标志性内容比事实检查人员标记的错误信息有46倍的影响.
- 虽然错误信息显著减少了每次浏览的意图,但对标记内容的接触却有限.
- 广受关注的无标签内容往往强调罕见的不良事件,
结论:
- 事实上准确但误导性内容对公众健康构成重大威胁,与公开虚假相美.
- 审查所有在线内容, 不仅仅是明确标记错误信息, 对于解决疫苗犹至关重要.
- 社交媒体平台需要加强策略, 以减轻微妙误导性的健康信息的影响.
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