陰謀論コンテンツがTikTokやYouTubeで反体制感情を煽る(Conspiracy content drives anti-establishment sentiment on TikTok, YouTube)

2025-09-25 ミシガン大学

ミシガン大学の研究チームは、TikTok や YouTube における陰謀論コンテンツが「反体制感情(anti-establishment sentiment, AES)」を駆動している可能性を示すデータを報じた。通常の「For You Page(推薦ページ)」では、反体制的な主張は非常に稀であり、全体の1%未満しか含まれていない。一方、陰謀論を題材とする投稿のうち約45%に AES 要素が含まれていたのに対し、金融関係の投稿では約4%、健康・ウェルネス関連では約1%のみが AES を含んでいた。さらに、反体制的な内容の投稿にはコメントが多く付き、しかもそのコメントの大部分が元投稿と同じ立場を支持する傾向を示した。研究方法として、2022年以降に TikTok API で取得した26,783本の動画および20万点超のコメントを分析し、動画が AES を含むかどうかを機械学習で分類。その後 YouTube 上でも同様の傾向を観察した。これらの結果は、陰謀論を好むユーザーがその種のコンテンツをアルゴリズムによって集中的に露出されやすく、公共機関への不信感を強める可能性を示唆するものである。

<関連情報>

TikTokにおける反体制感情:ソーシャルメディアにおける影響力と専門知識の理解へ​​の影響 Anti-establishment sentiment on TikTok: Implications for understanding influence(rs) and expertise on social media

Tianliang Xu, Ariel Hasell, Sabina Tomkins
arXiv  Submitted on 22 Aug 2025
DOI:https://doi.org/10.48550/arXiv.2508.16453

陰謀論コンテンツがTikTokやYouTubeで反体制感情を煽る(Conspiracy content drives anti-establishment sentiment on TikTok, YouTube)

Abstract

Distrust of public serving institutions and anti-establishment views are on the rise (especially in the U.S.). As people turn to social media for information, it is imperative to understand whether and how social media environments may be contributing to distrust of institutions. In social media, content creators, influencers, and other opinion leaders often position themselves as having expertise and authority on a range of topics from health to politics, and in many cases devalue and dismiss institutional expertise to build a following and increase their own visibility. However, the extent to which this content appears and whether such content increases engagement is unclear. This study analyzes the prevalence of anti-establishment sentiment (AES) on the social media platform TikTok. Despite its popularity as a source of information, TikTok remains relatively understudied and may provide important insights into how people form attitudes towards institutions. We employ a computational approach to label TikTok posts as containing AES or not across topical domains where content creators tend to frame themselves as experts: finance and wellness. As a comparison, we also consider the topic of conspiracy theories, where AES is expected to be common. We find that AES is most prevalent in conspiracy theory content, and relatively rare in content related to the other two topics. However, we find that engagement patterns with such content varies by area, and that there may be platform incentives for users to post content that expresses anti-establishment sentiment.

1600情報工学一般
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