Which of these is an element of the formal definition of intellectual disability?
A) IQ approximately 2 standard deviations below the mean on a normal curve
B) evidence of brain damage
C) slower than normal reflexes
D) onset of deficits prior to age 6

Question

Quizplus · Accepted Answer

Intellectual disability is typically defined by an IQ score approximately 2 standard deviations below the mean, along with limitations in adaptive functioning and onset before age 18.

Which of These Is an Element of the Formal Definition