Cognition plays a major role in the development of antisocial behavior. The aim of this study was to extend the current state of research regarding the mechanisms of negative peer influence in adolescence by testing whether aggregated classroom attitudes (injunctive norms) predict individual attitudes toward antisocial behavior and vice versa. For…

The present study investigated the social physique anxiety scale's factor structure and item properties using confirmatory factor analysis and item response theory. An additional aim was to identify differences in response patterns between groups (gender). A large sample of high school students aged 11-15 years (N = 1,529) consisting of n =…

A performance-based measure of peer influence susceptibility was examined as a moderator of the longitudinal association between peer norms and trajectories of adolescents' number of sexual intercourse partners. Seventy-one 9th grade adolescents (52% female) participated in an experimental "chat room" paradigm involving…

In this paper, we describe two central epistemological norms related to the importance of making investigations and to scientific language and its logic. These norms have been identified in empirical material consisting of 200 video-recorded lessons in three different science classes. With regard to the learning of science and socialization, we…

Increases in substance use prevalence among girls, as well as a lack of research conducted with urban girls of color, highlight the importance of understanding both predictors and outcomes of substance use abstinence (SUA) within this population. This study addresses gaps in SUA research through a longitudinal investigation conducted with urban…

This paper outlines early findings from the Tasmanian-based Social Norms Analysis Project (SNAP). The Social Norms model is presented as a theoretically informed, evidence-based model for reducing alcohol-related harm in youthful populations by utilising the complex and often positive contributions peer groups make to adolescent health and…

There is concern among second language educators in Canada that male students are losing interest in studying French as a second language (FSL). In response, in the fall of 2003, a study was conducted to investigate gender differences in second language (L2) motivation among Grade 9 core French students. Building upon the traditional model of L2…