Genetic and Environmental Influences on Intelligence

Medium Unit 11: Testing & Individual Differences Genetic And Environmental Influences

According to research in psychology, both genetic and environmental factors can significantly influence an individual's intelligence. A well-known study is the Minnesota Study of Twins Reared Apart, which examined how identical twins raised in different environments exhibit similarities and differences in terms of intelligence. What does this research suggest about the role of genetics and environment in determining intelligence?

Genetics exclusively determines intelligence, with no significant contribution from environmental factors.

Environmental factors play a minor role compared to the influence of genetics on intelligence.

Both genetic and environmental factors contribute to intelligence, but the impact of genetics is stronger.

Intelligence is solely influenced by environmental factors, as genetic similarities do not affect cognitive ability.

Genetics and environment interact in complex ways, making it difficult to attribute intelligence to only one factor.

Hint

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