不同社交新闻互动方式对心理影响迥异，收藏最伤心理健康。
The Hidden Toll of Social Media News: Causal Effects on Psychosocial Wellbeing
- 通过匹配8万多名用户，分析新闻互动类型与心理状态的关系。
- 收藏新闻导致抑郁、焦虑加剧，程度是评论的十倍以上。
- 适合关注数字健康、平台设计及心理干预的研究者阅读。
社交平台上的新闻消费已成常态，但不同参与方式对心理社会福祉的影响仍不明确。本研究基于约2600万条帖子和4500万条评论的蓝星（BlueSky）大规模数据集，采用分层倾向得分匹配法，将81,345名接触新闻流的处理组用户与83,711名对照组用户进行匹配，评估情绪、行为和认知层面的心理社会福祉。结果发现，新闻参与带来系统性权衡：抑郁、压力和焦虑上升，但孤独感下降且平台内社交互动增加。回归模型显示，相较于评论或引用，新闻流书签行为与更严重的心理恶化相关，差异超过十倍。此类每项参与效应随重复暴露累积，产生显著心理影响。研究突破了以危机为中心的新闻效应理论框架，揭示日常新闻消费因互动类型不同而引发独特心理动态，对缓解社交新闻心理代价的工具与干预策略具有重要启示。
原文摘要 · Abstract (English)
News consumption on social media has become ubiquitous, yet how different forms of engagement shape psychosocial outcomes remains unclear. To address this gap, we leveraged a large-scale dataset of ~26M posts and ~45M comments on the BlueSky platform, and conducted a quasi-experimental study, matching 81,345 Treated users exposed to News feeds with 83,711 Control users using stratified propensity score analysis. We examined psychosocial wellbeing, in terms of affective, behavioral, and cognitive outcomes. Our findings reveal that news engagement produces systematic trade-offs: increased depression, stress, and anxiety, yet decreased loneliness and increased social interaction on the platform. Regression models reveal that News feed bookmarking is associated with greater psychosocial deterioration compared to commenting or quoting, with magnitude differences exceeding tenfold. These per-engagement effects accumulate with repeated exposure, showing significant psychosocial impacts. Our work extends theories of news effects beyond crisis-centric frameworks by demonstrating that routine consumption creates distinct psychological dynamics depending on engagement type, and bears implications for tools and interventions for mitigating the psychosocial costs of news consumption on social media.
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