Background: Previous studies have shown that when young people witness bullying, perceived social norms of their peer group affect their behavior. However, few studies have examined the specificity of norm misperception (i.e., overestimation of peer antisocial responses and the underestimation of prosocial responses relative to the objective group…

Background: Relationships exist between perceived peer and own use of alcohol, cannabis, and tobacco, particularly when peers and participants are sex-matched. We investigated sex influences on social norms effects for college students' non-medical prescription drug use (NMPDU). Methods: N = 1986 college students reported on their perceptions of…

This report presents findings from data collected through the Reality Now program, providing a long-term study exploring tobacco and vaping behaviours among Australian secondary school students. Conducted from 2018 to 2024, the program collected nearly 30,000 responses from students in Years 7 to 11. Using a social norms approach (SNA), the…

Co-curricular activities have been shown to impact many measures of academic success, such as academic self-confidence, leadership abilities, identity development, personal development, and student thriving. Borrowing from established research paradigms on pluralistic ignorance, the current study sought to explore whether first-year and senior…

The goal of this study was to examine behavioral norm effects in 2 peer contexts (classroom, school) on adolescent substance use (tobacco, alcohol, cannabis) and aggressive behaviors (bullying, physical fighting). Participants were 5,642 adolescents (M[subscript age] = 14.29 years, SD = 1.26; 49% boys). There were 3 hypotheses. First, behavioral…

Academic misconduct is a serious, pervasive, communication phenomenon on college campuses. In this study, the goals-plans-action model (Dillard, 1990) was used as a theoretical framework to investigate peer confrontation of cheating and whistle-blowing to a course instructor. In an experiment, participants were asked to respond to measures of…

This study integrates diverse literatures on peer group influence by conceptualizing and examining the relationship of peer group injunctive norms to the academic adjustment of a large and ethnically diverse sample of rural early adolescents' academic adjustment. Results of three-level hierarchical linear modeling indicated that peer groups were…

This study investigated the role of sensation seeking, peer group drinking and self-efficacy in refusing to drink alcohol in influencing alcohol consumption of a sample of 588 Italian university students. Results confirmed that heavy drinkers are typically males living in university residences. Alcohol use is more frequent among students with…

This study investigated the effects of the peer social context and child characteristics on the growth of authority-acceptance behavior problems across first, second, and third grades, using data from the normative sample of the Fast Track Project. Three hundred sixty-eight European American and African American boys and girls (51% male; 46%…