If average IQ differences were genetically determined by race, then the mean IQ scores of mixed-race individuals should fall somewhere between the mean scores for blacks and whites. Research has
A) not found such a relationship between IQ and mixed ancestry.
B) not been able to rule one way or another on this issue.
C) found evidence to support this idea.
D) discovered just the opposite is true.

Question

Quizplus · Accepted Answer

Studies have consistently found that the mean IQ scores of mixed-race individuals do not fall in between the mean scores for blacks and whites, indicating that differences in average IQ scores are not genetically determined by race. Therefore, choice A is the best answer.

If Average IQ Differences Were Genetically Determined by Race, Then