Research has highlighted the importance of peers for determining health behaviors in
adolescents, yet these behaviors have typically been investigated in isolation. We need to …

Background Alcohol use and abuse constitute a major public health problem and identifying
their determinants is a priority. Social network analysis can indicate how characteristics of …

Abstract Knowledge networks are important to understand learning in industry clusters but
surprisingly little is known about what drives the formation, persistence and dissolution of …

Reciprocity and transitivity are the two most important structural mechanisms underlying
friendship network evolution. While on their own they are understood in great detail, the …

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

Objectives. We examined the coevolution of adolescent friendships and peer influences with
respect to their risk behaviors and social networking site use. Methods. Investigators of the …

Much research in network analysis of adolescent friendships assumes that friendships
represent liking and social interaction, friendships are directed, and friendships are …

In this chapter, we summarize theories, methods, and research on peer relationships and
social development, with a primary focus on the adolescent life stage. Throughout, we …

Many countries worldwide had difficulties reaching a sufficiently high vaccination uptake
during the COVID-19 pandemic. Given this context, we collected data from a panel of 30,000 …

Previous studies have used complex network theory to examine the characteristics of
China's High-Speed Rail (HSR). Nevertheless, little attention is paid to China's HSR …