Research on ethnic differences in IQ shows that
A) the black-white IQ gap disappears when parental education and income are held constant.
B) both Hispanic-American and African-American children score, on average, 10 IQ points below American white children.
C) no ethnic differences in mental test scores exist during the first few years of life.
D) ethnicity and SES account for only about one-fourth of the total variation in IQ.

Question

Quizplus · Accepted Answer

Research indicates that while ethnicity and socioeconomic status (SES) do contribute to variations in IQ scores, they account for only about one-fourth of the total variation, suggesting other factors also play significant roles.

Research on Ethnic Differences in IQ Shows That