Assertion: Individuals who are categorised as having intellectual disability show little variation in their abilities.
Reasoning:Some Individuals having intellectual disability can be taught to work and function with special attention and some cannot be trained and require institutional care throughout their lives.
Answer & explanation
Correct answer: option 4
Individuals who are categorised as having intellectual disability show significant variation in their abilities, ranging from those who can be taught to work and function with special attention, to those who cannot be trained and require institutional care throughout their lives.