Whose view of a child's tendency to talk to themselves during play is most accepted in the research community today?

Lev Vygotsky's theory regarding private speech or a child's tendency to talk to themselves during play is most accepted in the research community today. His theory of private speech has been considered as significant to a lot of recent developmental phycologists. Evidence has also supported Vygotsky's theory that private speech provides many advantages in the development of children. 

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