There are 8 developmental stages a child goes through ( infancy and toddlerhood, early childhood, etc. Explain your child's behavior at each stage of...

There are 8 developmental stages a child goes through ( infancy and toddlerhood, early childhood, etc.). Explain your child's behavior at each stage of development. At least two theories must be included for each developmental stage. Why do you think those theories and techniques were the most beneficial.