Sex differences in mathematical ability: fact or artifact?

  title={Sex differences in mathematical ability: fact or artifact?},
  author={Camilla Persson Benbow and Julian C. Stanley},
  volume={210 4475},
A substantial sex difference in mathematical reasoning ability (score on the mathematics test of the Scholastic Aptitude Test) in favor of boys was found in a study of 9927 intellectually gifted junior high school students. Our data contradict the hypothesis that differential course-taking accounts for observed sex differences in mathematical ability, but support the hypothesis that these differences are somewhat increased by environmental influences. 

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