Laura is 8; her performance on a series of cognitive tasks is equivalent to that of the average 10-year-old child. Her intelligence quotient is:
A)125.
B)80.
C)110.
D)10.

Question

Quizplus · Accepted Answer

Laura's intelligence quotient (IQ) is calculated using the formula: IQ = (Mental Age / Chronological Age) x 100. In this case, her mental age is 10 and her chronological age is 8. Therefore, her IQ = (10 / 8) x 100 = 125.

Laura Is 8; Her Performance on a Series of Cognitive