Similarity in IQ scores tends to increase as the degree of relationship between two people increases, a finding that supports the view that __________ factors play a role in determining human intelligence.
A) physical environmental
B) genetic
C) both genetic and environmental
D) family environmental
E) physiological

Question

Quizplus · Accepted Answer

Genetic factors are indicated by the increase in similarity of IQ scores as the degree of genetic relationship increases, suggesting a hereditary component to intelligence.

Similarity in IQ Scores Tends to Increase as the Degree