Table 1.

IGT Deck Characteristics

Characteristic	Deck A	Deck B	Deck C	Deck D
Mean gain	125.00 (100%)	125.00 (100%)	62.50 (100%)	62.50 (100%)
Mean loss	187.50 (75%)	187.50 (10%)	31.25 (75%)	31.25 (10%)
Net score	−250	−250	+250	+250

Note. The table depicts the general structure of the IGT used in the current study. Numbers outside parentheses indicate average wins over 10 trials. Numbers in parentheses indicate percentage of trials involving gain or loss. Net score is the total amount won (+) or lost (−) after 10 selections from the deck. IGT = Iowa Gambling Task.