Your Text Reports That in the Early Years of the 20th

Your text reports that in the early years of the 20th century, advocates for the disadvantaged argued that good education can lift the IQ scores of the disadvantaged. In light of subsequent research, were the advocates correct?

A) No. Intelligence largely reflects genetic mechanisms.
B) Yes. A lack of schooling results in continuing declines in IQ.
C) Somewhat. Increases in IQ scores stemming from enriched education are generally short-lived.
D) I'm not sure. Little research has examined the potential effect of education on IQ scores.