This made a difference because girls didn't take the upper level courses which appeared on the test. Also girls weren't currently enrolled in a math course when they took the test. Some other factors that might have affected their scores on the S.A.T.s are parents' education, type of school attended, amount of preparation in various field, and intended major in college. Even when men and women had the same preparation, the women were distributed among different academic fields. Majority of them would go to into foreign languages and education instead of science and mathematics because of the different perceptions of opportunity.
Craftsmanship is good, although the sentences are choppy.
Logical flow of the writing is good. There are technical flaws. Also, upper-level math courses do not appear on the general S.A.T. as she implies in the first paragraph 2. She does not cite sources for her information. The single most important factor in separating A's and B's - she does not get beyond the obvious.