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From the handshake of a man one can conclude his physical strength. But surprisingly, his voice is even more meaningful. This is proven by an experiment by researchers led by Aaron Sell from the University of California at Santa Barbara. They first determined the strength of 200 men in a series of different tests. These came from different cultures: students from the US and Romania, Indians from Bolivia and Argentine farmers. The men spoke a short sentence in their native language on tape. These recordings were then played to subjects who were asked to rate the strength of the speakers on a scale of 0 to 7.

Sell ​​was surprised how exactly the subjects could gauge the power of the men by hearing their voices alone. It did not matter where the men came from. A detailed analysis of the data also revealed that a bassier-heavy voice does not necessarily imply greater physical strength. What really makes up the voice of a strong man is still unclear to the researchers. They assume that in the voice evolution-related hints hide, in order to be able to estimate the strength of an adversary even if one does not see it.


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