زهرا محبی

Aim: Non-suicidal self- injury(NSSI) is described as a silent crisis in schools, and in this field there is insufficient knowledge and less effective interventions. The aim of the present study was to develop and validate an intervention approach for adolescent girls with NSSI.Method: The research method was a combination and sequential exploratory strategy In the first stage, a qualitative study was conducted using the phenomenological method, and then the protocol was developed and validated.. The statistical population of the research included all the girls of Erbil schools in the first and second year of high school who had NSSI. The face and content validity of the integrative intervention package was examined and confirmed by five professors and specialists in the fields of counseling and psychology. In order to validate the integrative intervention approach, 16 subjects were selected by chain sampling and randomly assigned to two experimental and control groups. They responded to the questionnaire of self-injurious behaviors and functions, the scale of difficulty in regulating emotions, the questionnaire of automatic thoughts and the parent-child relationship scale of the mother form.Result: Multivariate covariance analysis showed that the integrative intervention approach is effective in reducing the difficulty of emotion regulation, improving the mother-daughter relationship, reducing negative self-thoughts, and reducing NSSI in adolescent girls. It can be concluded that the integrative intervention approach is effective in the treatment of adolescent girls with  NSSI.