This study examines the relationship between middle school students' undesirable behaviours and digital game addiction. Undesirable behaviours disrupt teaching, harm peers, compromise safety, and lower teacher motivation. These behaviours, often influenced by family and environmental factors, disrupt classroom order. Digital games, particularly…

Background: Early substance use co-occurs with youths' self-organization into deviant peer groups in which substance use is central to social interaction. We hypothesized that the social dynamics of deviant peer groups amplify the risk of progressing from early use to later dependence, and that this influence occurs over and above escalations…