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社交网站中的上行社会比较影响主观幸福感的中介机制及独生子女的调节作用

The Impact of Upward Social Comparison on Social Networking Sites on Subjective Well-being: A Moderated Mediation Model Involving Appearance Perfectionism, Use Intensity, and Only-child Status

Psychology of China / 2026,8(2): 147-153 / 2026-02-25 76 31

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• Authors: 王馨
• Information:

  宁夏大学教师教育学院，银川

• Keywords:
  Upward social comparison on social networking sites; Subjective well-being; Appearance perfectionism; Social networking site use intensity; Only-child
  社交网站中的上行社会比较; 主观幸福感; 外表完美主义; 社交网站使用强度; 独生子女
• Abstract: This study explores the underlying mechanisms and boundary conditions of how upward social comparison on social networking sites affects the subjective well-being of college students. Based on the stress-vulnerability-adaptation model, a moderated dual-mediation model was constructed to examine the mediating roles of appearance perfectionism and social networking site use intensity, as well as the moderating role of only-child status. A questionnaire survey was conducted among 389 college students, and data were analyzed using the PROCESS macro in SPSS 26.0. The results indicated that: (1) Upward social comparison positively predicted subjective well-being; (2) Appearance perfectionism and social networking site use intensity fully mediated the relationship between upward social comparison and subjective well-being, with opposite directions, forming a competitive mediation; (3) Only-child status moderated the relationship between upward social comparison and social networking site use intensity—the positive relationship and its transmitted negative mediating pathway were significant only among only-children, while the moderating effect on the appearance perfectionism pathway was not significant. This study reveals the “double-edged sword” effect of upward social comparison on subjective well-being and its differentiated pathways, clarifying the selective moderating role of family structure, thereby providing a basis for targeted online mental health education. 本研究探讨社交网站中的上行社会比较影响大学生主观幸福感的内在机制与边界条件。基于压力—脆弱性—适应模型，构建一个有调节的双重中介模型，考察外表完美主义与社交网站使用强度的中介作用，以及独生子女身份的调节效应。采用问卷调查法对389名大学生施测，并使用SPSS26.0的PROCESS插件进行数据分析。结果发现：（1）上行社会比较正向预测主观幸福感；（2）外表完美主义与社交网站使用强度在二者之间起完全中介作用，且方向相反，形成竞争性中介；（3）独生子女身份调节了上行社会比较与社交网站使用强度之间的关系，该正向关系及其传导的消极中介路径仅在独生子女群体中显著，而在外表完美主义路径中的调节作用不显著。本研究揭示了上行社会比较影响主观幸福感的“双刃剑”效应及其差异化路径，明确了家庭结构在其中发挥的选择性调节作用，为开展针对性的网络心理健康教育提供了依据。
• DOI: https://doi.org/10.35534/pc.0802023 (registering DOI)
• Cite: 王馨. (2026). 社交网站中的上行社会比较影响主观幸福感的中介机制及独生子女的调节作用. 中国心理学前沿, 8 (2), 147-153.