Rachel, age 3, walks by her grandmother' s collection of glass animals and says, "Those are a no-no ; can't touch those." According to Vygotsky, Rachel is using to self-regulate her behavior. social speech thoughts private speech infant-directed speech

private speech

Explanation:

Rachel, age 3, walks by her grandmother' s collection of glass animals and says, "Those are a no-no ; can't touch those." According to Vygotsky, Rachel is using private speech to self-regulate her behavior. social speech thoughts private speech infant-directed speech

private speech

Explanation:

Lev Vygotsky was known to be a soviet psychologist, who developed a theory known as Vygotsky cognitive development theory in 1934.

The Vygotsky development theory states or postulates that social interaction is fundamental to cognitive development. This theory comprised of the concept like language and thought independence among others.

In this case, Rachel, which is 3 years was able to self-regulate her action or behavior by making speech privately. This is done to checkmate her action

no because it could make the world a terrible place to live in.