Harry is 16 years old. His younger sister Janice is 12 years old and is able to solve math problems that the children of Harry's age solve. According to Alfred Binet, Janice's mental age is ________.

Question

Quizplus · Accepted Answer

According to Alfred Binet, mental age refers to the age at which the average individual reaches a particular level of mental ability. Since Janice is solving math problems typical of 16-year-olds, her mental age would be considered 16.

Harry Is 16 Years Old