Not too many years ago, educators and researchers observed correctly that gender differences existed on standardized tests. Such differences were initially attributed to biological causes. Neurologist Dr. Norman Geschwind, for instance, proposed that male superiority in mathematical skills was due to exposure to more testosterone while in utero (Hensel, 1989).Recent studies, however, have challenged the biological hypothesis, arguing that gender differences are indeed small and, more importantly, that gender differences have decreased over the years (Begley,