The WHR measures from the right and left cheeks and the distance from the upper lip to mid-brow bone. The change between the sexes in WHR occurs during puberty, when males develop a greater ratio.
Research has shown people with higher WHR have more aggression than in those with smaller WHR. This has been supported by studies of hockey players--greater WHRs earned more penalty points per game.
Psychologists wanted to know if people can predict aggression based on faces alone. Volunteers rated faces of people who were already assessed for hostile behavior after looking at them for 2000milliseconds or 39milliseconds.
Surprisingly, volunteers were highly correct in guessing the assessed aggressive people and corresponded with those with high WHR.
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