Genetic vs. Environmental Influences

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

Researchers have long sought to understand the contributions of genetics and environment to human behavior and intelligence. In a classic study, identical twins were raised apart and later compared on various psychological traits, including IQ, personality, and social behaviors. This research highlights the potential interplay between genetic predispositions and environmental influences. Based on this understanding, which of the following statements best summarizes the implications of this research regarding nature and nurture?

Genetics solely determine personality traits, while environmental factors have negligible influence.

Environmental factors have a greater impact on intelligence than genetic factors.

Both genetics and environment play significant roles in shaping behavior and psychological traits.

Behavior is primarily influenced by social interactions, regardless of genetic background.

Intelligence is fixed and is not influenced by either genetics or the environment.

Hint

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