Comparisons of adult twins living apart suggest that happiness depends largely on what?

Question

Comparisons of adult twins living apart suggest that happiness depends largely on what?​

Quizplus · Accepted Answer

Studies of adult twins living apart have consistently shown that personality traits have a significant influence on happiness levels. Both genetic and environmental factors contribute to personality, with genetics accounting for around 50% of individual differences in personality traits. Thus, while external factors such as weather and random fluctuations may impact mood in the short-term, long-term happiness appears to rely more heavily on personality traits. Education may also play a role in happiness, but it is not as strongly linked as personality.

Comparisons of Adult Twins Living Apart Suggest That Happiness Depends