There is not significant evidence to support the association between facial shape and aggression in men, according to a study published by the journal PLOS ONE.
The professor Mireia Esparza, from the Anthropology Section of the Department of Animal Biology of the University of Barcelona, is part of the international research group who carried out this study. The research is coordinated by the experts Rolando González José, from the Patagonic National Centre (CENPAT-CONICET, Argentina) and Jorge Gómez Valdés, from the National Autonomous University of Mexico.
Sample of about 5,000 individuals from 94 worldwide human populations
The study provides new scientific data to reject the hypotheses that associate facial shape with antisocial and criminal behaviours, which attained its maximum splendour during the mid-19th century and lately have been revitalized. To carry out the study, researchers used a sample of 4,960 individuals from 94 worldwide populations. This large sample allowed to get a global estimation of facial shape and to develop an accurate analysis taking into account distinguishing traits. The experts based the research on the study of the fWHR -- facial width-to-height ratio -- as a possible predictor of aggressive behaviours in men populations.
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