Study shows men with monotonous voices attract more sexual partners.
The study of 200 men and women in California and Pennsylvania was published in the Archives Of Sexual Behavior journal.
The amount their vocal pitch changed – known as fundamental frequency variation – was found to be directly linked to the number of sexual partners the men had in the past year.
Men with monotonous voices, where the pitch changed little, reported having the most partners in the past year and were also more successful in simulated dating games.
The constant frequency of a monotonous voice shows a man is in control, while anxiety triggers a rise in vocal frequency and aggression causes it to deepen.
Men in control are seen to be of higher status, exhibiting strength and confidence, desirable features in a mate.
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