The Relationship between Impulsivity and Self-injury: A Moderated Mediation Model

Abstract

Abstract: Based on the affect-regulation model and the interpersonal/systemic model of self-injury, this study constructed a moderated mediation model to examine whether negative affect mediated the relationship between impulsivity and self-injury, and whether this mediating process was moderated by the family environment. For this purpose, 2270 college students were recruited to participate in this study with Barratt Impulsiveness Scale, Positive and Negative Affect Scale, Family Environment Scale and Adolescents Self-Harm Scale. The result indicated that: 1) impulsivity and negative affect significantly positively predicted self-injury; 2) the relationship between impulsivity and self-injury was significantly mediated by the negative affect; 3) the mediating effects of negative affect and the directing effects of impulsivity were significantly moderated by family environment. These findings contributed to our understanding of a comprehensive interpretation of both environmental and individual factors' impact on self-injury.

Key words: impulsivity, self-injury, negative affect, family environment

摘要： 以情绪管理理论和人际或系统模型为依据考察冲动性与大学生自伤行为的关系，并在此基础上提出一个有调节的中介模型，探讨负性情绪的中介作用以及家庭环境的调节作用。采用巴瑞特冲动性量表、正性负性情绪量表、家庭环境量表、青少年自我伤害问卷对2270名大学生进行施测，旨在考察负性情绪对冲动性与大学生自伤行为关系的中介作用以及家庭环境的调节作用，结果表明：（1）冲动性和负性情绪正向预测大学生的自伤行为；（2）负性情绪在冲动性和自伤行为之间起中介作用；（3）负性情绪的中介作用和冲动性的直接作用受到家庭环境的调节。这些结果对于深入理解个体与环境因素对自伤行为的作用与机制具有重要意义。

关键词: 冲动性, 自伤行为, 负性情绪, 家庭环境

CLC Number:

B849

LIN Lin, MO Juanchan, WANG Chenxu, LIU Yang, QU Gezheng, ZHAO Sibo, JIA Xuji. The Relationship between Impulsivity and Self-injury: A Moderated Mediation Model[J]. Studies of Psychology and Behavior, 2017, 15(6): 824-832.

林琳, 莫娟婵, 王晨旭, 刘扬, 曲舸征, 赵思博, 贾绪计. 冲动性和大学生自伤行为的关系：一个有调节的中介模型[J]. 心理与行为研究, 2017, 15(6): 824-832.

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