Nancy has a mental age of 10. What does that mean?
A) Nancy is 10 years old.
B) Nancy has an IQ of 100.
C) Nancy is an individual who has been capable of intelligent thought for 10 years.
D) Nancy passed problems that an average 10-year-old would pass.

Question

Quizplus · Accepted Answer

Mental age refers to the level of intellectual functioning of an individual, as compared to their chronological age. Therefore, Nancy's mental age of 10 indicates that she has the intellectual ability of an average 10-year-old. Option A is incorrect as mental age does not always correspond with chronological age. Option B is incorrect as an IQ score is not mentioned in the question. Option C is incorrect as it is not a commonly used definition of mental age.

Nancy Has a Mental Age of 10