While once forbidden in classrooms, laughter is increasingly encouraged as contributing to a positive learning environment. However, analyses of laughter in conversation show that laughter performs multiple social functions, some of which are not necessarily positive. Applying this lens, this study investigates the interactional functions of…

This longitudinal study investigated whether classroom norm salience toward aggression moderated the association between parental education and children's overt aggressive behavior development from third to sixth grade of elementary school. Children (N = 1,205, 51% girls) from 46 Dutch elementary schools were annually followed from third to sixth…

This study examined the relation between both implementation fidelity and quality and the outcomes of two different anti-bullying interventions targeting distinct processes involved in bullying: moral disengagement and social norms. In total, 34 French-speaking Belgian teachers from six elementary schools were trained to deliver either the moral…

This study examined variations in the development of classroom aggression popularity norms, as well as the role of homeroom teachers' aggression beliefs and students' perceptions of teachers' support as predictors of such variations. To achieve this goal, a sample of 63 classrooms were assessed at four time points during a school year, in nine…

A multilevel design was used to test a model in which teachers' attitudes (beliefs) about bullying (e.g., it is normative; assertive children do not get bullied; children wouldn't be bullied if they avoided mean kids) were hypothesized to influence if and how they intervene in bullying interactions. In turn, it was hypothesized that teachers'…