Intellectual disability is characterized by significant limitations in intellectual functioning and adaptive behavior, with onset before the age of 18.

Genetic disorders are the most common cause of intellectual disability, accounting for about 50% of cases.

Profound is not a type of intellectual disability. The four types of intellectual disability are mild, moderate, severe, and profound.

The average IQ score of someone with intellectual disability is below 70.

Motor skills are not a common adaptive behavior deficit in people with intellectual disability.

The primary goal of early intervention for children with intellectual disability is to improve intellectual functioning, adaptive behavior, and prevent secondary disabilities.

Home schooling is not a common educational approach for students with intellectual disability.

Supported employment is the most common employment outcome for adults with intellectual disability.

Good health is not a common challenge faced by adults with intellectual disability.

All of the above factors are important in promoting the well-being of people with intellectual disability.