On a home visit following discharge from the hospital after treatment for severe gastroenteritis, the mother tells the nurse that her toddler answers “No!” and is difficult to manage. After discussing...

On a home visit following discharge from the hospital after treatment for severe gastroenteritis, the mother tells the nurse that her toddler answers “No!” and is difficult to manage. After discussing this further with the mother, the nurse explains that the child's behavior is most likely the result of which of the following?

1. Beginning leadership skills.

2. Inherited personality trait.

3. Expression of individuality.

4. Usual lack of interest in everything.