Psychological Development and Education ›› 2018, Vol. 34 ›› Issue (3): 369-376.doi: 10.16187/j.cnki.issn1001-4918.2018.03.14

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The Relationship between Impulsivity Traits and Suicide Ideation: A Moderate Mediation Model

LIN Lin1,2, WANG Chenxu3, MO Juanchan3, YANG Yang3, LI Huisheng4, JIA Xuji1,2, BAI Xuejun1,2   

  1. 1. Key Research Base of Humanities and Social Sciences of Ministry of Education, Academy of Psychology and Behavior, Tianjin Normal University, Tianjin 300074;
    2. Center of Collaborative Innovation for Assessment and Promotion of Mental Health, Tianjin 300074;
    3. College of Educational Science, Tianjin Normal University, Tianjin 300387;
    4. Center for Mental Health Education, Tianjin Normal University, Tianjin 300387
  • Online:2018-05-15 Published:2018-05-15

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Abstract: Based on the stress-vulnerability model, this study constructed a moderated mediation model to examine whether the effect of life events mediated the relationship between impulsivity traits and suicide ideation, and whether this mediating process was moderated by the family environment. For this purpose, 902 college students were recruited to participate in this study with Barratt Impulsiveness Scale、Adolescent Self-Rating Life Events Check List、Family Environment Scale and Beck Scale for Suicide Ideation. The study indicated that:(1) impulsivity traits and the effect of negative life events significantly positively predicted suicide ideation; (2) the relationship between impulsivity traits and suicide ideation was significantly mediated by the effect of negative life events; (3) the mediating effects of negative life events and the directing effects of impulsivity traits were significantly moderated by family environment. These findings contribute to our understanding of a comprehensive interpretation of both environmental and individual factors' impact on suicide ideation.

Key words: impulsivity traits, suicide ideation, negative life events, family environment

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