Effectiveness Assertive Training of Bullying Prevention among Adolescents in West Java Indonesia

Background: School bullying is an aggressive behavior which tend to harm another in school environment. The incidents of bullying among adolescents happened in yunior high school was 66.1%. Generally adolescents who could not developed their assertiveness, will tend to be aggressive. Methods: A Quasi experimental pre-post test with control group was conducted among the adolescents the total subjects studied was 80. Data were analyzed by using SPSS (version 19). Results & Conclusion: the sample were randomized, resulting in a sample of 80 adolescents aged between 12 years to 14 years. There is a high significant with assertive knowledge and assertive behavior in pretest posttest and a low significant association between abuse history with the assertiveness. Recommendations: 1A longitudinal study can be carried out to prevent bullying. 2The assertive training for adolescents should become a part of health school program with teacher and parents support.