Comparisons of Underlying Mathematics Ability (Rather Than Mathematics Performance) for Females

Comparisons of underlying mathematics ability (rather than mathematics performance) for females and males

A) can be done at many periods of development through the use of achievement test scores.
B) can be done before formal training in higher mathematics through the Scholastic Assessment Test.
C) is easier than an assessment of verbal ability.
D) is virtually impossible, due to gender differences in experience and expectation with mathematics.