Identify and describe Vygotsky's stages of cognitive development from birth to age 7

What will be an ideal response?

Primitive stage = mental processes similar to those of lower animals; child learns primarily through conditioning until language develops in the 2nd year; naive psychology stage = use of language but lacking understand of its symbolic characteristics; private speech stage = language used as a guide to solve problems; ingrowth stage = internalization of speech routines acquired from older children and adults in the world around them and interaction with the physical world.