The nurse is caring for a child with an intellectual disability due to Down's Syndrome. The nurse understands that it is important to provide developmentally appropriate care. Which of the following will help to meet this need?

Doing everything for the child to decrease the distress of admission

Assessing the child's level of mental maturity, self-help abilities, and habits

Using the child's chronological age as a guide for communication

Speaking only to the mother when explaining all the procedures