If Some IQ Test Is "Biased" Against Group X,what Would

Multiple Choice

If some IQ test is "biased" against group X,what would we predict about members of group X whose test score is 100?

A) Their performance in school will fluctuate more than other people with a score of 100.
B) They will do worse in school than other people with a score of 100.
C) They will do about the same in school as other people with a score of 100.
D) They will do better in school than other people with a score of 100.