“…Social network analysis (SNA) has been used in various areas, including computer-supported collaborative learning (Aviv, Erlich, Ravid, & Geva, 2003;de Laat, Lally, Lipponen, & Simons, 2007;Harrer, Malzahn, Zeini, & Hoppe, 2007;Reffay & Chanier, 2002). The basic approach relies on representing communication events as links between the actors in the network.…”