High School

Five-year-old Benjy has an IQ of 120 on the original version of the Stanford-Binet. His mental age is:

A. 4
B. 6
C. 8
D. 9

Answer :

Final answer:

Five-year-old Benjy's mental age, according to the Stanford-Binet IQ scale, is 6 years old. This is calculated based on his IQ score of 120 and using the formula for calculating mental age.

Explanation:

The subject of this question is related to IQ scoring system used in the field of psychology, specifically the Stanford-Binet intelligence scale. IQ (or Intelligence Quotient) is determined by a comparison of a child's mental age and chronological age. In the case of five-year-old Benjy, his mental age is determined by the equation: IQ = (Mental Age/Chronological Age) * 100. Given that Benjy's IQ is 120, we can use that equation to find his mental age: Mental Age = (IQ * Chronological Age) / 100 . Thus, in this case, Benjy's mental age would compute to: (120 * 5)/100 = 6. So, option B) 6, is the correct answer.

Learn more about IQ Scoring here:

https://brainly.com/question/6983012

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