(a) Accuracy scores and response times in high and no reward predictive trials in the first and second block of the training phase in all experiments. (b) Accuracy scores and response times in high and no reward predictive trials in the first and second block of the training phase in Experiment 1A. (c) Accuracy scores and response times in high and no reward predictive trials in the first and second block of the training phase in Experiment 1B. (d) Accuracy scores and response times in high and no reward predictive trials in the first and second block of the training phase in Experiment 1C.