Aaliyah lies in her bed at night, talking out loud. Her parents listen from the hallway and hear her talking about her day as if she's talking to another person. What should her parents conclude about Aaliyah's behavior

She's engaging in private speech, and it is completely normal.

Explanation:

Private speech -

The private speech was first given by Jean Piaget  and Lev Vygotsky .

It refers to the type of speech which is spoken to oneself, in order to motivate, guide and control the behavior, is referred to as private speech.

The act of private speech is very normal practice of the human being , and helps to relax and clear any confusion of the people.

Hence, from the given scenario of the question,

The behavior of Aaliyah is very normal .

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