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

Question

Quizplus · Accepted Answer

Research studies using twin and family studies, as well as genome-wide association studies, have consistently found that both extraversion and neuroticism have a significant heritability component, with estimates ranging from 30% to 50%. This suggests that genetic factors play a significant role in determining an individual's level of extraversion or neuroticism.

There Is Strong Evidence That the Traits of Extraversion and Neuroticism