大学生的愤怒情绪在社会排斥与行为冲动性间的中介作用

Mediating effect of anger on relationships between social exclusion and behavior impulsivity

目的：探讨愤怒情绪在社会排斥和行为冲动性间的中介作用。方法：选取大学一至三年级本科生224名[男97名,女127名;年龄18~24岁],采用随机表法将其分成两组,一组（社会排斥组）完成社会排斥的网络掷球任务（CP）,另一组（非社会排斥组）完成非社会排斥的网络掷球任务,两组随后依次完成愤怒情绪自评问卷和仿真气球冒险任务（BART,用于测量个体的行为冲动性）。结果：社会排斥组的愤怒情绪自评问卷得分和BART未爆气球被吹的平均次数均高于非社会排斥组（均P〈0.01）。回归分析结果显示,社会排斥对行为冲动性有正向预测作用（β=0.28,P〈0.001）,引入愤怒情绪中介变量后,社会排斥对行为冲动性的预测作用无统计学意义（β=0.14,P〉0.05）,社会排斥对愤怒情绪有正向预测作用（β=0.59,P〈0.001）,愤怒情绪对行为冲动性有正向预测作用（β=0.23,P〈0.01）;Bootstrap检验结果显示,愤怒情绪是社会排斥与行为冲动性之间的完全中介,中介效应占总效应的56.5%。结论：本研究提示,社会排斥增强个体的行为冲动性,愤怒情绪在社会排斥与行为冲动性间具有中介作用。

Objective： To investigate the mediating effect of anger on the relationship between social exclusion and behavior impulsivity. Methods： Totally 224 college students（ 97 males and 127 females,aged 18 to 24 years）w ere selected from Guangdong University of Finance and Economics. They w ere randomly assigned to social exclusion or inclusion condition,and w ere informed that they w ould be taking part in a task w ith tw o students on the internet. After completing the cyberball paradigm（ CP）,participants w ere asked to complete an affect item,and the balloon analogue risk task（ BART） measuring behavior impulsivity. Results： Anger scores obtained from the affect item and behavior impulsivity in the social exclusion condition w ere significantly higher than those in the social inclusion condition（ Ps 0. 01）. The regression analysis results indicated that social exclusion had a significant positive predictability for behavior impulsivity（ β = 0. 28,P〈0. 001）. How ever,this predictability w as not significant after considering the mediating effect of anger（ β = 0. 14,P〉0. 05）,but it had significant positive predictability for anger（ β = 0. 59,P〈0. 001） and anger had significant positive predictability for behavior impulsivity（ β = 0. 23,P〈0. 01）. In addition,Bootstrap test show ed that post-ostracism anger completely played a mediating role in the relation betw een social exclusion and behavior impulsivity,the value of mediating effect w as 56. 5%. Conclusion： This study show s that social exclusion increases behavior impulsivity and anger could mediate the effect of social exclusion on behavior impulsivity.