Telling women they cant do well in math may turn out be a self-fulfilling statement.

In tests in Canada, women who were told that men and women do math equally well did much better than those who were told there is a genetic difference in math ability. And women who heard there were differences caused by environment — such as math teachers giving more attention to boys — outperformed those who were simply reminded they were females.

[Read](http://www.msnbc.msn.com/id/15337257/ “Read the Story”) (AP via MSNBC)