Hi Olga! Thanks for your input!
True, one of the characteristics of learning groups is that some members carry their weight, and some don't - very typical of the world of work (smile).
Assigning tasks specifically to group members is a good method as long as the tasks are all interrelated and, to some degree, mutually depend upon outcomes. - that way, group dynamics often facilitates positive outcomes.
Sometimes, I ask students in the group, under my guidance, to develop their own set of team ground rules regarding expectations, participation, activities, assignment completion, etc. The group leader (assigned, chosen or… >>>