Genetic and Environmental Influences on Intelligence

Very Hard Unit 11: Testing & Individual Differences Genetic And Environmental Influences

In the field of psychology, the understanding of how genetic factors and environmental influences interact to shape individual differences in intelligence is critical for research and application. Studies have explored twin and adoption models to uncover the contributions of each factor. Recent findings indicate a complex interplay that challenges the notion of a purely deterministic view of intelligence. Consider the following statements regarding genetic and environmental influences on intelligence. Which of the following best encapsulates the modern perspective on intelligence as it relates to both heredity and environment?

Intelligence is primarily determined by genetic factors, minimizing the role of environmental influences.

Adopted children show intelligence levels more similar to their biological parents than their adoptive parents.

Intelligence results from an interaction between genetics and environment, with both playing significant roles throughout development.

Environmental influences have no significant impact on intelligence once genetic potential is reached.

Identical twins raised apart have identical IQ scores because of their shared genetics.

Hint

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