Answer:
TheWechsler Adult Intelligence Scale is an IQ test invented to evaluate intelligence and cognitive ability in adults and older adolescents. It is the most utilized IQ test, including adults and older adolescents worldwide.
Step-by-step explanation:
The Wechsler Adult Intelligence Scale is the most commonly used individual intelligence test for adults. The original design, the Wechsler-Bellevue scale from 1939, is from the American David Wechsler. Wechsler was then chief psychiatrist at the Bellevue Psychiatric Hospital in Baltimore. In his book 'The Measurement of Adult Intelligence' from 1939 he describes intelligence as "the global capacity of the subject to act purposefully, to think rationally and to deal effectively with his environment". He was convinced that intelligence could be measured by quantitative and qualitative assessment of intellectual performance.