LEAD: 

There are more smart men, than there are smart women. But there are also more stupid men and there are stupid women. Men are more extreme. That leads to some interesting differences in the sexes and how they manage both failure and success. Dr. Susan Pinker is a clinical psychologist at McGill University and the author of The Sexual Paradox: Extreme Men, Gifted Women and the Real Gender Gap."

RUNS: 6:37


END CUE: "...by Random House of Canada."
"