Saturday 3 December 2016

Swagger style can show walkers' degree of aggression, say researchers

Published 13/09/2016 | 10:36

A researcher from the Department of Psychology at the University of Portsmouth with a participant in the study
A researcher from the Department of Psychology at the University of Portsmouth with a participant in the study

A person's swagger as they walk can give clues to how aggressive they are, a new study has found.

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The researchers from the Department of Psychology at the University of Portsmouth assessed the personalities of 29 participants, before using motion capture technology to record them walking on a treadmill at their natural speed.

The study, published in Journal of Nonverbal Behaviour, found that the exaggerated movement of both the upper and lower body indicated aggression.

And the researchers believe that spotting the tell-tale signs of aggression could even help prevent CCTV observers to prevent crimes.

Lead researcher Liam Satchell said: "When walking, the body naturally rotates a little; as an individual steps forward with their left foot, the left side of the pelvis will move forward with the leg, the left shoulder will move back and the right shoulder forward to maintain balance.

"An aggressive walk is one where this rotation is exaggerated."

The researchers asked participants to complete a questionnaire, which measured their levels of aggression.

They also used a standard personality test called the "big five" to assess personality traits including openness, conscientiousness, extraversion, agreeableness and neuroticism which together can help map the way people think, feel and behave.

Using motion capture technology, which records the actions of humans and uses the information to bring to life digital character models in 3D computer animation, the researchers analysed thorax and pelvis movements, as well as speed of gait.

Mr Satchell said: "People are generally aware that there is a relationship between swagger and psychology.

Our research provides empirical evidence to confirm that personality is indeed manifest in the way we walk.

"We know of no other examples of research where gait has been shown to correlate with self-reported measures of personality and suggest that more research should be conducted between automatic movement and personality."

Mr Satchell said identifying the potential relationship between an individual's biological motion and their intention to engage in aggression could be used to help prevent crime.

"If CCTV observers could be trained to recognise the aggressive walk demonstrated in this research, their ability to recognise impending crimes could be improved further."

Press Association

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