Gretchen explains the rules of the lunch table to Cady. The rules cover how each member of The Plastics should behave and dress on different days of the week. If an individual doesn't follow the rules, then that person will not be able to sit with The Plastics at lunch that day.

In this clip, Charlie explains the Decoy Effect, also known as asymmetric dominance. This clip also describes how the choices offered can affect what decisions people make when balancing functionality and cost.

Danny had been using a system of betting that his girlfriend had developed to pick out the second most likely horse to win a race. She developed this system in order to take advantage of the higher expectation of betting on the second best horse arising from parimutual betting.