Question

Harriet recently took the WAIS-IV intelligence test. She was 20 years old at the time, and the result indicated that she had a mental age of 16. Harriet’s intelligence quotient (IQ) is ______.

Answer 1

Answer: 80

Explanation:

Intelligence quotient (IQ) is calculated thus:( Mental age divided by chronological age) x 100

That is (M.A/C.A) *100

IQ= (16/20)*100

= 0.8*100

=80.

Therefore,Harriet’s intelligence quotient (IQ) is 80