Which of the following refers to below average intellectual functioning (with an IQ of approximately 70 or below), and deficits or impairments in adaptive behaviour which are manifested before the age of 18 years?
Answer & explanation
Correct answer: option 3
Intellectual disability refers to below average intellectual functioning (with an IQ of approximately 70 or below), and deficits or impairments in adaptive behaviour (i.e. in the areas of communication, self-care, home living, social/interpersonal skills, functional academic skills, work, etc.) which are manifested before the age of 18 years.