When researchers compare the distribution of IQ scores for males to the one for females, which of the following differences is most consistently found?
A) The mean score for the male distribution is greater than the one for the females.
B) The mean score for the female distribution is greater than the one for the males.
C) The variability among males is greater than it is among females.
D) The variability among females is greater than it is among males.
Answer: C
Rationale: There tends to be greater variability among male IQ scores than among women. This means that, although both distributions have very similar means, there are more males with extremely high and low scores.
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