Are people predisposed to favor their own groups at the expense of others, even when the group distinction is completely arbitrary? This activity replicates, more or less, the exact experiment used by Henri Tajfel to demonstrate the "minimal group paradigm" used in Social Identity Theory.
There has been an outbreak of an unusual Asian disease. Which policy is best based on the scientific estimations of how many people will be saved? This activity uses this example with poll everywhere (polleverywhere.com) technology to demonstrate framing and prospect theory.
This group discussion format can be used in a week that covers several big concepts, each of which can be discussed along a similar ("parallel") sequence of discussion questions. The concepts in this particular class are: Wisdom of crowds, Heuristic decision-making, Groupthink, and Cooperation.