There are many theories on how a human develops. Most babies follow a certain pattern of development but the controversy is which person's developmental pattern of development is correct? Erik Erickson, Sigmund Freud and Jean Piaget's developmental theories are similar. Each of the theories goes through a human's development chronologically, giving a guideline of when certain developments happen. For example when a child is supposed to walk or when a child is going to speak. It is only a guideline and these theories are not supposed to be held too strictly.
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