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 Object Assembly subtest, a measure of spatial organization:

In Object Assembly, you are given a series of odd-shaped cardboard cutouts and asked to fit them together.  Except for not having much of a clue as to what the finished product will look like, you are essentially doing a jigsaw puzzle.  I managed to complete each of the puzzles, but once again my times were not too great.

Unfortunately Seligman is not precise enough for his score on this subtest to be infered, but whatever it was, it would have been inflated by old norms.

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