How a man's hand can reveal if he's BAD: People whose ring and index fingers are different lengths are stubborn and rude
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A study has found that if a man's ring and index fingers are similar in length, he is more likely to be agreeable and attentive, especially with women
Next time you start dating a new man or are looking to hire a male employee, take a look at his hand.
If his ring and index fingers are similar in length, he is more likely to be agreeable, polite and attentive, especially with women.
But if their second and fourth fingers are different lengths this increases the chances they will be quarrelsome, stubborn and rude.
Previous research has shown that 'digit ratio' - defined as ring finger length divided by index finger length - is affected by hormone exposure in the womb.
Those with a longer ring finger are likely to have been exposed to more testosterone, which in turn has been linked to more aggressive behaviour.
And now researchers from McGill University claim this can impact how men behave towards women.
During a 20-day study, 155 participants filled out forms based around social interaction that lasted five minutes or more.
During which they checked off a list of behaviours they engaged in.
Based on previous work, the scientists classified the behaviours as 'agreeable' or 'quarrelsome'.
Men with small digit ratios reported roughly a third more agreeable behaviours and a third fewer quarrelsome behaviours than men with large ratios.
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In the study, the ratio is referred to as 2D:4D and was measured from the crease where the digit joins the hand to the finger tip.
Professor Debbie Moskowitz, who led the study said: 'When with women, men with smaller 2D:4D ratios were more likely to engage in behaviours such as listening attentively, smiling, compromising, expressing reassurance and complimenting the other person.'
Men with small digit ratios reported roughly a third more agreeable behaviours (left) and a third fewer quarrelsome behaviours (right) than men with large ratios when interacting with females. In the study, the ratio is referred to as 2D:4D and was measured from the crease where the digit joins the hand to the finger tip
They acted that way both in sexual relationships and also with female friends or colleagues, she continued.
Men with larger ratios were equally quarrelsome with men and women.
The differing 2D:4D ratios of women in the study showed no significant effect on their behaviour.
And the study, published in the journal Personality and Individual Differences, said men with smaller 2D:4D ratios also have more children.
The researchers said that while hormone exposure could not predict the behaviour of every individual, the link meant finger length could help identify people who have these personality traits.
The study follows previous research by experimental psychologists from Oxford University and Northumbria University.
They studied 600 men and women in Britain and the US.
The study was specifically looking at the link between hand shape and sexual habits.
Those whose ring fingers and index fingers were the same length were more likely to be faithful lovers, the research found.
In contrast, those with a longer ring finger, pictured, could be more likely to cheat.
Unlike other species, which are inclined to be either promiscuous or faithful, humans tend to fall into either group.
The study found that people tend to clump into two groups, with one group more likely to value sexual fidelity, and the other group more likely to be promiscuous.
The scientists, whose research is published in the Royal Society journal Biology Letters, also looked at the link between hand shape and sexual habits.
The shorter the index finger in relation to the ring finger, the higher the levels of testosterone that person is likely to have been exposed to while developing in the womb, they said.
Dr Rafael Wlodarski of Oxford University said: 'This research suggests that there may be two distinct types of individuals within each sex, pursuing different mating strategies.
'We observed what appears to be a cluster of males and a cluster of females who are more inclined to 'stay', with a separate cluster of males and females being more inclined to 'stray' when it comes to sexual relationships.
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