This study analyzes the relationship between the dimensions of warmth and control in perceived parenting style, as well as peer pressure, on externalizing behavior in middle school adolescents. A quantitative correlational design was used, involving a sample of 100 middle school students in Surabaya selected through purposive sampling. The research instruments consisted of an externalizing behavior scale, a perceived parenting style scale, and a peer pressure scale. The results show that the warmth and control dimensions of perceived parenting style have a significant relationship with adolescent externalizing behavior. Additionally, peer pressure was also found to significantly contribute to the emergence of externalizing behavior. These findings affirm the importance of a warm parenting style and proportional parental control, as well as managing peer influence, in preventing externalizing behavior. In conclusion, a combination of positive parenting and healthy social support can be an important predictor for reducing externalizing behavior in adolescents. This research is expected to be a reference for parents, educators, and psychology practitioners in developing appropriate interventions to support the healthy behavioral development of adolescents.
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