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Angry Faces: Facial Structure Linked To Aggressive Tendencies, Study Suggests

Date:
November 2, 2009
Source:
Association for Psychological Science
Summary:
Angry words and gestures are not the only way to get a sense of how temperamental a person is. According to new findings, a quick glance at someone's facial structure may be enough for us to predict their tendency towards aggression.

New research finds that a quick glance at someone's facial structure may be enough for us to predict their tendency towards aggression.
Credit: iStockphoto/Thomas Perkins

Angry words and gestures are not the only way to get a sense of how temperamental a person is. According to new findings in Psychological Science, a quick glance at someone's facial structure may be enough for us to predict their tendency towards aggression.

Facial width-to-height ratio (WHR) is determined by measuring the distance between the right and left cheeks and the distance from the upper lip to the mid-brow. During childhood, boys and girls have similar facial structures, but during puberty, males develop a greater WHR than females. Previous research has suggested that males with a larger WHR act more aggressively than those with a smaller WHR. For example, studies have shown that hockey players with greater WHR earn more penalty minutes per game than players with lower WHR.

Psychologists Justin M. Carrι, Cheryl M. McCormick, and Catherine J. Mondloch of Brock University conducted an experiment to see if it is possible to predict another person's propensity for aggressive behavior simply by looking at their photograph. Volunteers viewed photographs of faces of men for whom aggressive behavior was previously assessed in the lab. The volunteers rated how aggressive they thought each person was on a scale of one to seven after viewing each face for either 2000 milliseconds or 39 milliseconds.

The photographs were very revealing: Volunteers' estimates of aggression correlated highly with the actual aggressive behavior of the faces viewed, even if they saw the picture for only 39 milliseconds. Even more interestingly, the volunteers' estimates were also highly correlated with WHR of the faces -- the greater the WHR, the higher the aggressive rating, suggesting that we may use this aspect of facial structure to judge potential aggression in others. These findings indicate that subtle differences in face shape may affect personality judgments, which may, in turn, guide how we respond to certain individuals.


Story Source:

The above story is based on materials provided by Association for Psychological Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Carrι et al. Facial Structure Is a Reliable Cue of Aggressive Behavior. Psychological Science, 2009; 20 (10): 1194 DOI: 10.1111/j.1467-9280.2009.02423.x

Cite This Page:

Association for Psychological Science. "Angry Faces: Facial Structure Linked To Aggressive Tendencies, Study Suggests." ScienceDaily. ScienceDaily, 2 November 2009. <www.sciencedaily.com/releases/2009/10/091031002319.htm>.
Association for Psychological Science. (2009, November 2). Angry Faces: Facial Structure Linked To Aggressive Tendencies, Study Suggests. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2009/10/091031002319.htm
Association for Psychological Science. "Angry Faces: Facial Structure Linked To Aggressive Tendencies, Study Suggests." ScienceDaily. www.sciencedaily.com/releases/2009/10/091031002319.htm (accessed October 21, 2014).

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