The recent popularity of models that capture the dynamic coevolution of both network structure and behavior has driven the need for summary indices to assess the adequacy of these models to reproduce dynamic properties of scientific or practical importance. Whereas there are several existing indices for assessing the ability of the model to…

Facebook is one of the fastest growing applications of the Internet. Social networking via Facebook provides a popular way for students and others to connect with a wide audience and expand their circle of friends. Facebook account holders have been denied admission to universities, not hired for jobs, lost scholarships, been disciplined by…

This study uses social network analysis (SNA) in an innovative way to describe interaction and explain how interaction influences sense of community of students in online learning environments. The findings reveal differences on sense of community between two similarly structured online courses, and show unique interaction patterns for students in…