Which of the Following Statements Best Expresses the Contribution of Motivational

Multiple Choice

Which of the following statements best expresses the contribution of motivational and attitudinal factors to intellectual functioning?

A) They contribute little to performance on intellectual tasks.
B) They contribute more to the explanation of group differences in intellectual performance than to the explanation of individual differences in intellectual performance.
C) They contribute more to the explanation of individual differences in intellectual performance than to the explanation of group differences in intellectual performance.
D) They contribute in an as-yet undetermined fashion to individual differences in intellectual performance.