Sorry, I should have posted this in my comment: http://www.apa.org/journals/rele...

		kragen on June 12, 2009 \| parent \| context \| favorite \| on: Trying To Make a Living At Etsy? Think Again. Sorry, I should have posted this in my comment: http://www.apa.org/journals/releases/amp606581.pdf It's not a single study; it's a meta-review of dozens of well-controlled studies on gender differences from 1984 to 2005.