检查YouTube视频推算法的对支持或反对烟草信息的影响
George D H Pearson1, Nathan A Silver1, Kristiann Koris1
1Schroeder Institute, Truth Initiative, Washington, DC, USA.
概括
在YouTube上播放视频.
科学领域:
- 数字健康数字健康
- 媒体研究 媒体研究
- 公共卫生传播 公共卫生传播
背景情况:
- YouTube是青少年的主要信息来源,其推算法影响了70%的浏览量.
- 内容质量在YouTube上有所不同,需要了解算法对烟草信息搜索的影响.
- 该研究检查了YouTube的算法如何影响用户查看的与烟草有关的内容.
研究的目的:
- 分析YouTube推算法对与烟草制品相关的信息旅程的影响.
- 调查不同内容来源在烟草信息搜索中的作用.
- 为了确定用户如何在支持和反对烟草的内容之间进行引导的模式.
主要方法:
- 通过使用流行的与烟草相关的搜索查询,创建了一个包含5182个YouTube视频旅程的数据集.
- 视频被分析为烟草相关性,立场 (支持/反对) 和来源类型 (例如新闻,医学专家).
- 该研究分析了建议"旅程"中的观点和来源类型过渡.
主要成果:
- 大多数推旅程 (56.1%) 导致视频与起始视频相同的立场.
- 10.4%的支持烟草的旅程导致了反烟草的内容,而13.3%的反对烟草的旅程导致了支持烟草的内容.
- 自称医疗专家 (SDME) 是反对专业的烟草内容旅程 (81.6%) 的重要驱动力.
结论:
- 自称医疗专家 (SDME) 在寻求反烟草信息的用户被引导到支持烟草的内容方面做出了重大贡献.
- 这种算法影响可能会使寻求健康信息的人接触到与他们的健康目标相矛盾的内容.
- 进一步的研究对于了解推料对烟草视频曝光的影响至关重要.
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