Based on the text's discussion of the Flynn effect,how might the IQ of an average 18-year-old today compare with that of an 18-year-old in 1940?
A) The IQ score of an average 18-year-old today is about 15 points higher than that of an 18-year-old in 1940.
B) The IQ score of an average 18-year-old today is about 10 points lower than that of an 18-year-old in 1940.
C) The IQ score of an average 18-year-old today is about the same as that of an 18-year-old in 1940.
D) The IQ score of an average 18-year-old today is about 25 points higher than that of an 18-year-old in 1940.
Correct Answer:
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