In his excellent book A Question of Intelligence: The IQ Debate in America, former Fortune magazine editor Daniel Seligman describes what it’s like to take the WAIS-R IQ test.  One page 7, he describes taking the Arithmetic subtest, a measure of working memory and numerical skill:

The subtest called Aritmetic proved to be a breeze and morale restorer.  The questions were what we used to call “problems” in the sixth grade, generally taking this form:  If a car averages forty miles and hour, how far will it average in forty-five minutes?…

Unfortunately Seligman does not give enough specifics for me to unearth his score on this subtest, so it will be excluded when I calculate his IQ.  He goes on to write:

By this time–we were now a little past the one-hour mark –a pattern had emerged.  Although I was not being told my scores on the subtests, it was fairly obvious that I was doing well on the verbal-arithmetic front, not so well when confronted with spatial visual problems.

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