The Wechsler scales not only provide an overall IQ score, but they also yield several composite indexes that allow the examiner to quickly determine the areas in which the child is strong or weak.
This is known to be a kind of Diagnostic test. The Wechsler Adult Intelligence Scale is known to be a kind of IQ test that has been set up to measure human intelligence and cognitive ability.
It is done for both adults and older adolescents. The first WAIS was known to be published in the year 1955 by a man called David Wechsler. It gives one the total IQ score and helps the examiner to quickly know the areas in which the child is strong or weak.
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