As the degree of genetic similarity declines, the correlation between IQ scores
A)grows larger.
B)grows smaller.
C)remains the same.
D)becomes stronger and more positive.

Question

Quizplus · Accepted Answer

The correlation between IQ scores tends to grow smaller as the degree of genetic similarity declines. This is because individuals who are more closely related genetically (e.g., identical twins) tend to have more similar IQ scores compared to those who are less genetically similar (e.g., siblings or unrelated individuals).

As the Degree of Genetic Similarity Declines, the Correlation Between