McMahon, Anthony J.; Scheel, Matthew H. - In: Judgment and Decision Making 5 (2010) 6, pp. 450-457
Participants drank either regular root beer or sugar-free diet root beer before working on a probability-learning task in which they tried to predict which of two events would occur on each of 200 trials. One event (E1) randomly occurred on 140 trials, the other (E2) on 60. In each of the last...