What Evidence Shows That an IQ Test Is "Biased" Against

Multiple Choice

What evidence shows that an IQ test is "biased" against members of some group?​

A) Members of that group believe the test is biased against them.
B) ​All the authors of the test were members of some other group.
C) ​Members of that group have lower IQ scores, on average, than other groups do.
D) ​Members of that group succeed in school better than their scores predict.