| Non-suicidal self-injurious behavior has become a public health event of global concern,and this behavior is common in adolescence,and the incidence in the college student population in early adulthood has shown a pattern of increasing each year,and selfinjurious behavior is significantly associated with suicidal behavior and becomes a significant predictor of suicidal behavior.Therefore,how to help college students reduce self-injurious behaviors and improve individual mental health is the focus of this study.Previous research indicated that dark personality was significantly associated with nonsuicidal self-injurious behavior,meaning that individuals with more of this trait would also have more frequent and more severe self-injurious behavior.Secondly,negative emotions are also a significant predictor of self-injurious behavior,and when individuals have increasing and unregulated depression,it also affects self-injurious behavior.Finally,emotion regulation strategies,namely cognitive reappraisal and expression inhibition,are particularly important in this process.The question of how dark personality affects selfinjurious behavior and what role depressive mood and emotion regulation strategies play in this process is what needs to be examined in this study.There are three studies in this research.In Study 1,a qualitative research method was used to interview 25 students from a college in Lanzhou City to investigate the factors influencing self-injurious behavior of college students through interviews and to provide a basis for the development of the structural equation model for Study 2.In Study 2,1290 subjects from a college in Lanzhou City were investigated using the Dark Triad Inventory,the Adolescent Self-Injury Scale,the Emotion Regulation Scale,and the Beck Depression Inventory,and correlation analysis,mediation models,and mediated models with moderation were used to examine the different roles of depressed mood,cognitive reappraisal,and expression inhibition in the dark personality of college students on selfinjurious behavior.In Study 3,46 students were divided into two groups and group counseling based on Cognitive-behavioral Therapy was used for a total of six weeks for students in the intervention group(26 students),and for students in the control group(20students)without intervention training,and post-test and a second post-test was administered at the immediate end of the intervention and two weeks after the end of the intervention and used to assess the effects of the intervention.The results of the study were as follows:(1)Correlations were found between dark personality,self-injurious behavior,cognitive reappraisal,expression inhibition,and depressed mood;(2)Depressed mood mediates between dark personality and non-suicidal selfinjurious behavior;(3)Cognitive reappraisal and expressive inhibition play a moderating role between dark personality and non-suicidal self-injurious behaviors;(4)The use of cognitive-behavioral group counseling is effective in reducing depressed mood levels.This article explores the relationship between dark personality and non-suicidal selfinjurious behaviors and the role played by depressed mood,cognitive reappraisal,and expression inhibition through three studies.It is intended to provide some theoretical basis for reducing self-injurious behaviors among college students and may also provide some references for improving the psychological health of individuals.These findings suggest that dark personality has an important impact on non-suicidal self-injurious behaviors among college students,and depressed mood,expressive inhibition,and cognitive reappraisal play an important role in the influence of dark personality on non-suicidal selfinjurious behaviors.Meanwhile,group counseling based on cognitive-behavioral therapy can effectively intervene in college students’ depressed mood,thus reducing the level of college students’ depressed mood to lower non-suicidal self-injurious behaviors. |
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