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Also, "A high IQ is defined as a score between 107 and 158." Is that standard? Isn't that about 1/2 to 4 standard deviations on IQ charts? Seems like a wide r

Also, "A high IQ is defined as a score between 107 and 158." Is that standard? Isn't that about 1/2 to 4 standard deviations on IQ charts? Seems like a wide range.