How many members of the group is best.（）

Iowa Gambling Task was originally developed to detect problems patients withdamage to the ventromedial prefrontal cortex.（） 点击查看答案&解析

The reasons why Wason’s Selection Task is difficult include（）.

A.People have the tendency to prove that the statement is true
B.Meaning effect
C.Conversion effect
D.Matching bias

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