The conditions under which group work is conducted are crucial to its success:
Group work, under proper conditions, encourages peer learning and peer support and many studies validate the efficacy of peer learning. Under less than ideal conditions, group work can become the vehicle for acrimony, conflict and freeloading. It may also impose a host of unexpected stresses on, for example, students with overcrowded schedules living long distances from the University.
(University of Wollongong assessment policy, 2002)