IQ classification is the practice by IQ test publishers of labeling IQ score ranges with category In this method, an IQ score of means that the test-taker's performance on the . The Wechsler Adult Intelligence Scale—Fourth Edition ( WAIS–IV) was "Cox found that the more was known about a person's youthful.
- With an IQ of to , it means you have very superior intelligence and your intelligence is better than most. A superior intelligence means that.
Different IQ tests and scales of IQ measurement. Hence, the normal or average IQ score is , which means that the mental and chronological ages coincide.
The standard deviation is a measure of spread, in this case of IQ scores. A standard devation of 15 means 68% of the norm group has scored.