Question

A 6-year-old who responded to the original stanford-binet with the proficiency typical of an average 9-year-old was said to have a mental age of

Answer 1

12 years old is the answer you're looking for.

Answer 2

He will have a mental age of 12 year old.

• Mental age is based on intellectual development, rather than date of birth.

What mental age is used?

• Mental age helps to frame a child's cognitive profile within a developmental context, with skills characterized as age appropriate or developmentally delayed rather than intact or impaired.
• Mental age is expressed as the chronological age for which a given level of performance is average or typical.

To know more about chronological age here

https://brainly.com/question/13594173

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