Acceptance and Commitment Therapy (ACT) Counseling as Non-Suicidal Self-Injury (NSSI) Intervention for Students at SMAN 1 Bogor

NSSI behavior is carried out as an effort to avoid thought, feeling, somatic sensation or other internal experiences that are uncomfortable or troublesome. The intervention carried out using Acceptance and Commitment Therapy (ACT) to increase psychological flexibility targeted at avoiding experiences or tendencies to avoid unwanted thoughts or emotions. This study aims to provide intervention using ACT on NSSI behavior through a process of acceptance, attention, and behavior change. The sample for this study is three people using purposive sampling technique. Data analysis used the single subject research (SSR) of ABA model for 18 sessions. By using the Difficulties in Emotion Regulation (DERS) instrument, the results obtained in the baseline phase (A1) are an average score of 99.6; intervention phase (B) obtained an average score of 80.9; and at baseline (A2) an average score of 63.8 is obtained. This means that there is a decrease in the graph of NSSI behavior at each intervention session using ACT. This study provides information that using (ACT) can reduce NSSI behavior in students.