What is the role of nature and nurture in the development of intelligence?

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What is the role of nature and nurture in the development of intelligence?

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  1. There is a general consensus among psychologists that intelligence is a product of complex interaction of heredity (nature) and environment (nurture). Heredity can be viewed as something that sets a range within which an individual’s development is actually shaped by the support and opportunities of the environment. Studies have also shown correlation between intelligence of identical twins reared together , identical twins reared apart fraternal twins reared together and siblings reared together and sibling reared apart With respect to the role of environment, studies have reported that as children grow in age, their intelligence level tends to move closer to their adoptive parents. Children from disadvantaged homes adopted into families of higher socio-economic status exhibit a large increase in their intelligence scores. There is evidence that environmental deprivation lowers intelligence while rich nutrition, good family background and quality schooling increases intelligence. Intelligence is a product of heredity and environment.

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