Asked by Lauren Ariel on Apr 27, 2024

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If a child who is 10 years old has a mental age of 12,then what is the child's IQ according to Terman's formula

A)  80
B)  100 
C)  120
D)  140

Mental Age

A measure of an individual's cognitive ability compared to the average cognitive ability of an age group.

Terman's Formula

A method developed by Lewis Terman for estimating intelligence quotient (IQ) based on the ratio of mental age to chronological age, multiplied by 100.

  • Grasp the concept of mental age and its relation to calculating IQ using Terman's formula.
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CL
CHELSEY LOCKEYApr 27, 2024
Final Answer :
C
Explanation :
According to Terman's formula, IQ = (MA/CA) x 100, where MA is the mental age and CA is the chronological age.
In this case, MA = 12 and CA = 10, so IQ = (12/10) x 100 = 120. Therefore, the best choice is C).