38 What theory does the Ashcraft and Kirk study challenge?
(A)Math anxiety improves math performance.
(B)Math anxiety is a result of low math aptitude.
(C)Starting to study math at a young age improves math performance.
(D)The more math aptitude one has, the less working memory is needed.
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統計: A(22), B(171), C(48), D(30), E(0) #1871269
統計: A(22), B(171), C(48), D(30), E(0) #1871269