There might be a scientific way to work out if your partner has cheated on you

Sex Rex

Most of us imagine that if a partner cheated on us, we’d be able to spot it via changes in their behaviour – a sudden need to ‘work late’, for instance.

But the way to spot a cheater might be a little closer at hand.

A new study published in Evolutionary Psychology suggests that people can tell if someone has been unfaithful simply by listening to their voice.


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Researchers asked 152 volunteers to listen to recordings of people’s voices, and assess if they had been unfaithful (using recordings of people, some of whom had admitted to infidelity).

The volunteers were able to work it out with surprising accuracy – although it’s not clear what qualities in someone’s voice led to the volunteers being able to ‘spot’ the cheaters.

Doctor Foster

The researchers say, ‘found that participants indeed rated the voices of those who had a history of cheating as more likely to cheat.’

The researchers write, ‘Evidence suggests that many physical, behavioral, and trait qualities can be detected solely from the sound of a person’s voice, irrespective of the semantic information conveyed through speech.’