We have always been told to avoid "judging a book by its cover"; however, recent studies prove appearance might be a reliable place to judge by. Some women have claimed that they can judge a man's aggression and trustworthiness from his face and although some people discourage such a thought, Justin Carré and Cheryl McCormick, of Brock University have decided to test this theory. In men, it should be possible to judge their predisposition to aggression. Supposedly the ratio between the width of a person’s face and his height should say something about their aggressiveness. They proposed this ratio because there is such a variety between that of women's and men's. The difference is because during the stages of puberty, hormones reshape the body and testosterone (which men posses) creates a wider face shape and aggressiveness. Inorder to test this theory McCormick and Carré took photos of Canadian hockey teams. Hockey is a famously rough sport, with loose rules, and plenty of agression. They studied the men's facial widths in relationship to their heights as well as how it corresponded to their penalty records. McCormick and Carré found that in fact the wider the face, the more penalties! Because hockey is mostly a men's game, testing women had to be done separately. For females, McCormick and Carré turned to a group of several dozen undergraduates. Both sexes played a game against a computer to test their aggravation and a huge variety of aggression was recorded. They did not find a correlation between female facial structure and aggression. Men may actually have the advantage above women with aggression. An agressive man should barely even get to fighting if his face shows it all; however, these tests have yet to be run.
http://www.economist.com/node/11959198
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