Keefektifan Pelatihan Keterampilan Asertif Untuk Meningkatkan Perilaku Asertif Siswa Korban Bullying di SMA

This study aims to determine the effectiveness of assertive skills training in improving assertive behavior of bullied high school students. Single Subject Research with ABAB reversal design is used in this study. There are 4 subjects from class X in academic year 2013/2014 which is identified as victims of bullying and had low assertive behavior based on the scale of victims of bullying and scale of assertive behavior (internal consistency validity and reliability 0,800 e” 0.3). Baseline data phase and intervention phase are obtained through observation. Data is analyzed using visual analysis chart. The results show the assertive skills training with PLSIM can effectively improve assertive behavior of bullied students.