Multiple Choice
How have the relative scores of Blacks and Whites on IQ tests changed over time,if at all?
A) The difference between the mean scores has fluctuated up and down repeatedly.
B) The trend has been for the difference between Blacks and Whites to increase.
C) The trend has been for the difference between Blacks and Whites to decrease.
D) The difference between Blacks and Whites has remained constant for many decades.
Correct Answer:

Verified
Correct Answer:
Verified
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