A number representing a person’s reasoning ability (measured using problem-solving tests) as compared to the statistical norm or average for their age, taken as 100.
- Intelligence tests usually give a score expressed as an intelligence quotient or IQ.
- The intelligence quotient averaged one hundred and fifty points, the highest among them excelling to over one hundred and eighty, in some few cases.
- The children were of average intelligence quotient and aged 7-11 years.
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