Q
Why do people have different personalities?
A
Expert Answer
Personality arises from: genetic predisposition (twin studies show ~40-60% heritability), early environment, parenting style, cultural influences, and unique life experiences. The Big Five traits (openness, conscientiousness, extraversion, agreeableness, neuroticism) are relatively stable across adulthood.
Key Insight
Personality arises from: genetic predisposition (twin studies show ~40-60% heritability), early environment, parenting style, cultural influences, and unique life experiences.
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