"The purpose of this position is to facilitate high quality interaction in the e-learning environment which will enable students to apply their knowledge and to succeed in their chosen subjects through excellence in open and flexible learning delivery" (Purpose of the role, ¶1).

"Some roles relate to the task aspect of the group, while others promote social interaction. A third set of roles are self-centered and can be destructive for the group" (Roles in Groups, ¶1).