I assign a major presentation at the end of my classes and create the groups strategically. I break up the cliques and best friends in order to ensure each group is diverse in comfort, abilities, etc. One thing I ask them to do at the end is do a peer critique. I obviously monitor them throughout the process and can pick out who is doing the most work, who is contributing the least, but when they do the peer critiques, they will all say that they had a positive experience and everyone pulled their weight, when in fact, they haven't.… >>>