When Lance was eight years old, he completed the original Stanford-Binet Intelligence Scale. He answered all the questions that a typical ten-year-old would answer, but none of the questions a typical eleven-year-old would answer. What is Lance's mental age based on this information?

Question

Quizplus · Accepted Answer

Mental age refers to the level of intellectual development of an individual as compared to others of their chronological age. In this case, Lance answered all questions that a typical ten-year-old would answer, therefore his mental age is 10 years.

When Lance Was Eight Years Old, He Completed the Original