While technologically Computer Supported Collaborative Learning (CSCL) systems have been considerably improved, previous studies have shown that the social aspect of CSCL is often neglected or assumed to happen automatically just by creating such virtual learning environments. Several studies on the other hand showed sociability of CSCL environments strongly relate to online learning enjoyment and effectiveness of learning. Social interactions in CSCL can be broadly categorized as pedagogical/on-task and non-pedagogical/non-task interactions. Accordingly, this thesis investigates the non-pedagogical sociability of CSCL environments and primarily demonstrates that non-pedagogical/non-task interactions do occur in these environments. In addit...