 IQ classification is the practice by IQ test publishers of labeling IQ score ranges with category names such as " superior " or " average " . There are several publishers of tests of cognitive abilities . No two publishers use exactly the same classification labels , which have changed from time to time since the beginning of intelligence testing in the early twentieth century. everybody is not same.
In 1992, the American Psychological Association (APA) published a standardized classification of IQ score ranges into 110– 114, 115– 124, 125– 134