Asked by Jason Benfield on May 31, 2024
Verified
Dr. Hardhead has developed a measure of stubbornness and wants to determine the influence of genetics on performance on his new measure. Which of the following findings from administrations of the new test provides the best evidence for genetic influence?
A) Scores are more highly correlated in identical twins reared together than identical twins reared apart.
B) Scores are more highly correlated in identical than fraternal twins.
C) Scores are highly correlated between adopted children and their adoptive parents.
D) Scores are highly correlated between siblings.
Stubbornness
A personality trait characterized by a refusal to change one’s thoughts, behaviors, or actions despite external stimuli suggesting otherwise.
Genetic Influence
The contribution of genes inherited from parents to the physical and behavioral characteristics of an individual.
Identical Twins
Twins who develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.
- Comprehend the supporting and opposing evidence regarding genetic influences on intelligence.
- Grasp the concept of heritability and its calculations regarding intelligence.
Verified Answer
Learning Objectives
- Comprehend the supporting and opposing evidence regarding genetic influences on intelligence.
- Grasp the concept of heritability and its calculations regarding intelligence.
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