DrJohnson Is Interpreting an IQ Test Given to a Child

Multiple Choice

Dr.Johnson is interpreting an IQ test given to a child from a low-income family.Based on research investigating socioeconomic factors for IQ differences, Dr.Johnson knows that differences in income level:

A) fully explain IQ group disparities
B) are not sufficient to explain IQ group disparities
C) have no effect on IQ group disparities
D) have an impact on fluid IQ but not on crystallized IQ scores