IQ is the metric, not the measure. IQ is just a shorthand for writing about age relative differences (115 = 1 standard deviation above age peers).
There is no confusion. If we had a perfect IQ test (standard error of measurement = 0 for entire range), there are some people who would attain a score of 160.
IQ is the metric, not the measure. IQ is just a shorthand for writing about age relative differences (115 = 1 standard deviation above age peers).
There is no confusion. If we had a perfect IQ test (standard error of measurement = 0 for entire range), there are some people who would attain a score of 160.
IQ is the metric, not the measure. IQ is just a shorthand for writing about age relative differences (115 = 1 standard deviation above age peers).
There is no confusion. If we had a perfect IQ test (standard error of measurement = 0 for entire range), there are some people who would attain a score of 160.