Exercise A: Give somebody two hypothetical package deals to choose from. First, have them choose quickly and intuitively. Then, have them think about consequences and list out desiderata and alternatives... but at the end of that, have them do the intuitive sum and state a preference, rather than coming up with a verbal reason for the decision.

Exercise B: Have some of the desiderata be rare cases or cases of short duration. Detect these, cross them out with a black marker.