School Bullying And Non-suicidal Self-injury:the Mediating Role Of Negative Affect And The Regulation Of Perceived Social Support And Its Intervention

School bullying and non-suicidal self-injury behaviors are both common adverse events with high occurrence frequency,wide influence range and serious consequences in teenagers.Psychological research has focused on the effects of school bullying and non-suicidal self-injury on students' mental health and the possible range of more serious effects.Among them,scholars are paying more attention to the phenomenon of non-suicidal self-injury after school bullying and how to prevent the occurrence of non-suicidal self-injury.Related studies show that school bullying causes individual negative affect,further leading to non-suicidal self-injury;individual perceived social support can regulate negative affect and inhibit non-suicidal self-injury.To further explore the relationship between school bullying and non-suicidal self-injury in senior high school students,to explore the role of negative affect and the perceived social support,to explore whether individuals can intervene based on negative affect and the perceived social support,to reduce and prevent individual non-suicidal self-injury,The questionnaire survey method was used to investigate 2,000 students from a senior high school in Chaoyang,Liaoning Province.After excluding the invalid questionnaires,the data were entered into the statistical analysis software SPSS 26.0 for analysis,such as common bias analysis,independent sample t-test,ANOVA,correlation analysis,regression analysis,etc..Further collated the results using AMOS 22.0,build a regulated mediation model,the study results are as follows.The incidence of non-suicidal self-injury in senior high school students was 38.10%;non-suicidal self-injury,school bullying,negative affect,and perceived social support are significantly different in terms of demographic variables such as grade and gender;significant correlation between four variables.Negative affect play a partial role between school bullying and non-suicidal self-injury,and understand the path that perceived social support can regulate the second half of the mediation role.Intervention in individuals' perceived social support and negative affect generated after school bullying can reduce the occurrence of non-suicidal self-injury.The results concluded that non-suicidal self-injury,school bullying,negative affect and perceived social support can form a regulated mediation model.We can prevent and reduce the occurrence of non-suicidal self-injury by intervening the level of self-support negative affect and perceived social support.