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The chance factor- the flaw with IQ tests?There is a chance element to getting answers right. I struggle to answer all but the very simplest culture fair/spatial questions. However by guesstimating answers in a 40 question test with 6 possible answers just purely by chance I could get 6-7 right. This can add to the few simple questions I can answer with certainty to give an inflated estimate of my ability on such tests. 4 right with certainty versus 4 right with certainty plus 7 by chance is a big difference.
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