The Effect of Medical Students’ Social Support on Vulnerability to Psychological Crisis: The Mediating Role of Positive Psychological Capital

目的：医学生心理危机脆弱性问题逐渐明显，有必要进一步提升医学生心理健康水平。方法：采用问卷调查法，依据危机脆弱性问卷、社会支持评定量表和积极心理资本量表，对415名医学生展开调查，探索社会支持对心理危机脆弱性的影响机制，并验证积极心理资本的中介作用。结果：(1) 心理危机脆弱性与社会支持、积极心理资本呈负相关，社会支持和积极心理资本之间呈正相关；(2) 积极心理资本在社会支持对心理危机脆弱性的影响起部分中介效应。结论：社会支持对心理危机脆弱性具有影响作用，积极心理资本发挥中介作用。需要关注医学生心理危机的脆弱性，建立心理危机干预机制，降低医学生的心理危机发生率。The problem of psychological crisis vulnerability of medical students is becoming obvious, and it is necessary to further improve the mental health of medical students. Methods: A questionnaire survey was conducted on 415 medical students based on the Crisis Vulnerability Questionnaire, the Social Support Rating Scale, and the Positive Mental Capital Scale to explore the mechanism of the influence of social support on psychological crisis vulnerability and to verify the mediating role of positive mental capital. Results: (1) Psychological crisis vulnerability was negatively correlated with social support and positive psychological capital, and positively correlated between social support and positive psychological capital; (2) Positive psychological capital partially mediated the effect of social support on psychological crisis vulnerability. Conclusion: Social support has an influential role in psychological crisis vulnerability, and positive psychological capital plays a mediating role. It is necessary to pay attention to the vulnerability of medical students to psychological crisis and establish a psychological crisis intervention mechanism to reduce the incidence of psychological crisis among medical students.