Compelling evidence demonstrates that peer influence is a pervasive force during
adolescence, one that shapes adaptive and maladaptive attitudes and behaviors. This …

Background: Regular physical activity (PA) has many benefits for children and adolescents,
yet many do not meet PA recommendations. Social context is important for promoting or …

Peers become increasingly important socializing agents for academic behaviors and
attitudes during adolescence. This study investigated peer influence and selection effects on …

In learning communities, students share their knowledge which might contribute to academic
performance. This study disentangles peer selection from influence processes in modelling …

Adolescence is a period with opportunities and challenges for personal growth, social
commitment, and identity development. The peer context allows adolescents to acquire skills …

This research investigated how the level of disruptive behavior and friend influence on
disruptive behavior varies across classrooms in relation to teacher emotional support. Data …

This study concerns peer selection and influence dynamics in early adolescents' friendships
regarding academic achievement. Using longitudinal social network analysis (RSiena), both …

Secondary school is a vulnerable time where stagnation or declines in classroom behavioral
engagement occur for many students, and peer relationships take on a heightened …

This chapter describes why social networks of peers become increasingly important in
adolescence, and to which extent peer selection and influence processes take place in …

Strava is the largest online social network for athletes. We used Strava's big data to
investigate how runners in the same virtual Strava club influenced each other's running …