Women are more cautious when a baby is present, but men don't, reveals study.
Researchers suggested this could be due to evolutionary forces that select for men who are more competitive and risk-seeking in order to establish status and women who are more risk-averse in order to protect their offspring.
AdvertisementScientists at the University of Warwick and the University of Basel observed students playing a gambling game while alone and while paired with either an image of an attractive man, woman or baby with whom they imagined they would share their winnings.
A second less surprising finding of the study was that men took more risks when partnered with other men - consistent with theories suggesting that men are driven to compete with other men in order to maximise their reproductive opportunities.
However men did not increase their risk-taking behaviour when paired with a woman, a fact researchers believed was down to the co-operative design of the game where participants shared their winnings with their partner.
This particular finding has parallels in the real world where studies have shown that men in committed relationships show less risky behaviour as they no longer need to compete with other males to gain a woman's attention.
"To our knowledge this is the first study to look directly at the effect of babies on male and female risk-taking," said Dr Thomas Hills of the Department of Psychology at the University of Warwick.
"'Our attitudes to risk form a big part of our personality and determine our behaviour in all sorts of areas - for example how we approach financial investments or what leisure activities we indulge in.
"'Even though the women in the study were not the mothers of the babies they paired with, just having a baby involved in the game was enough to substantially change their behaviour.
"'It's as if babies turn off women's a willingness to take a risk - but interestingly the same doesn't apply to men," Dr Hills added.
The study was published in the journal Evolution and Human Behavior.
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