政治科学. 政治科学. 在Facebook上接触意识形态上多样化的新闻和意见
Eytan Bakshy1, Solomon Messing2, Lada A Adamic3
1Facebook, Menlo Park, CA 94025, USA. ebakshy@fb.com.
概括
社交媒体用户遇到的新闻多样性有限. 个人选择,而不是算法,限制了在线不同观点的曝光,影响公民信息消费.
科学领域:
- 社会科学 社会科学 社会科学
- 沟通研究 沟通研究
- 政治科学 政治科学是指政治学.
背景情况:
- 新闻消费越来越多地通过社交媒体平台发生.
- 了解在线意识形态隔离对于民主话语至关重要.
研究的目的:
- 调查社交媒体网络如何影响对跨界意识形态观点的接触.
- 量化用户选择与算法排名对内容多样性的影响.
主要方法:
- 分析了来自1010万美国Facebook用户的非身份化数据.
- 在社交网络中测量意识形态同志关系.
- 通过算法料和用户点击行为量化暴露于各种内容的量化.
主要成果:
- 在Facebook的朋友网络中直接测量了意识形态的同性恋.
- 用户选择显著限制对跨领域内容的曝光,而不是算法排名.
- 研究了通过异质朋友接触不同观点的可能性.
结论:
- 个人用户选择是限制在社交媒体上接触意识形态上多样化的内容的主要驱动因素.
- 与用户行为相比,社交媒体算法在意识形态隔离方面发挥的作用较小.
- 需要进一步的研究来了解公民信息暴露的影响.
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