Suppose We Know That the Variability of IQ Scores Is

Suppose we know that the variability of IQ scores is higher among one group of individuals than among another. What might this tell us about the heritability of IQ in the two groups?

A) Heritability should be higher among the group in which IQ scores are more variable.
B) Nothing. Heritability refers to a proportion of variability, not an amount.
C) Heritability should be higher among the group in which IQ scores are less variable.
D) Heritability is probably equivalent in the two groups.

Correct Answer:

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