There is strong evidence that the traits of extraversion and neuroticism are substantially influenced by genetics.

Question

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Numerous studies have found evidence to support the claim that genetics play a significant role in determining one's level of extraversion and neuroticism. Twin and family studies suggest that the heritability of these traits ranges from 30-50%. However, it is also important to note that environmental factors can also influence the expression of these traits.

There Is Strong Evidence That the Traits of Extraversion and Neuroticism