Interviewees were asked to build a portfolio by selecting from among four risky assets, namely ‘A’, ‘B’, ‘C’ and ‘D’ decks, with different risk/return combinations. Anonymous assets are preferred to real stocks or bonds, in order to avoid a framing
effect due to financial knowledge or personal experience. Payoffs refer to monetary returns, in terms of game money. Before the task, participants were not given information about how many choices they would take, but were told that their goal was to conclude with a positive result. Finally, each individual was asked to take 100 choices. Namely, our psycho-physiological experiment is the computerized version of the Iowa Gambling Task (IGT) combined with the measurements of the SCR, run
according to instructions