Peer interaction and collaborative learning activities are integral to studying at university in Germany today: Often, students are required to organize themselves in study groups to prepare coursework. In addition to face-to-face interaction in these study groups, a large part of students' collaborative learning activities and communication processes takes place virtually via e-mail, online forums, chat rooms, and so on (e.g., Hinkle, 2002) as computer-mediated communication (CMC) is a highly effective and economical way to share information and work cooperatively on common projects. With the ever-increasing importance of virtual communication and virtual learning environments in higher education, a strong development towards universities' internationalization can be observed. A growing number of students pursue degrees, or complete parts of their studies, abroad. In 2013, the number of