The Effectiveness of “Behavior Management Training” for Mothers on Aggression and Oppositional Defiant of Their Teenage Children

Introduction: Aggressive and oppositional defiant have adverse effects on the inner state of individuals and consequently on interpersonal relationships. Therefore, the aim of this study was to determine the effectiveness of "Behavior Management Training" for mothers on aggression and oppositional defiant in adolescents.   Methods: The type of research was quasi-experimental with pre-test-post-test design and follow-up with the control group. The statistical population included all mothers and their teenage children girls and boys 13 to 17 years old in Gachsaran in the academic year 1398 who were selected using purposive sampling method and 30 of them were randomly selected using a table of random numbers. They were trained in the intervention and control groups (15 people in each group). In order to collect data from the demographic questionnaire, the "Aggression Questionnaire" and the "Oppositional Defiant Behavior Inventory" were used. Content validity by quality method and the reliability internal consistency method by calculating Cronbach's alpha coefficient was measured. The experimental group underwent “Behavior Management Training” (60-minute 9 sessions), but the control group did not receive any intervention. Data analysis was performed using SPSS. 24.  Results: “Behavior Management Training” was effective in reducing aggression and oppositional defiant in adolescents (P < 0.01). Conclusions: “Behavior Management Training" for mothers reduced aggression and confrontational disobedience in adolescents. Therefore, the use of "Behavior Management Training" by child and adolescent psychologists and therapists is recommended to improve the psychological health of adolescents.