Q.6 :-The discovery that the heritability of the Big Five Personality traits is around 40% to 50%. What does this suggest vis-a-vis role of the environment?
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Answer: (i) The heritability of intelligence increases from about 20% in infancy to perhaps 80% in later adulthood. (ii) Intelligence captures genetic effects on diverse cognitive and learning abilities, which correlate phenotypically about 0.30 on average but correlate genetically about 0.60 or higher.
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The discovery that the heritability of the Big Five Personality traits is around 40% to 50% suggest that the environment plays an important role in personality.
Explanation:
- The Big Five Personality traits are experience, consciousness, extraversion, agreeableness and neuroticism.
- The theory of The Big Five Personality traits was developed in 1949, by D.W Fiske and later was expanded by many researchers.
- The Five personality traits are related to environmental values and behavior at individual and national level.
- Differentiations in personality can mean that appeals for the environment work are differently for different people.
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