Study: It's Time to Retire the Mars/venus Theory of the Sexes (video) University of Rochester Share Print E-Mail Loading video... Caption Although it's easy to lump the sexes into different categories, the handy dichotomy doesn't hold up under statistical scrutiny, finds a new study. "The common belief that 'men are from Mars and women are from Venus' is really wrong... really, we're all from the planet Earth," says coauthor Harry Reis, professor of psychology at the University of Rochester. The differences between men and women are "individual differences, they're not categorical differences." Credit Matt Mann/University of Rochester Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.