With Respect to Potential Race Differences in IQ Test Performance

With respect to potential race differences in IQ test performance, your text suggests that:

A) IQ tests are less reliable for African Americans than for White Americans.
B) IQ tests are more reliable for African Americans and than White Americans.
C) IQ tests are less valid for African Americans than for White Americans.
D) IQ tests are equally valid for African Americans and for White Americans.