This was explained by Jean Piaget by falling into two catalogue know as assimilation or accommodation. Assimilation is where a person associates new information with already established and organizes information. For example, Katie is a little girl and her family has little Chihuahua name Chloe. Katie goes visits her grandfather who has a huge, long hair dog named Bear. Although this dog is much different from Katie family dog she still knows that this is a dog. Now we will say that Katie will visit her uncle who has a pet cat. Katie will recognize the cat as being a dog. Because of the ideas from her family dog and her grandfather dog that anything with four legs and hair is a dog. Her mother will tell Katie that her uncle has a cat not a dog. Katie will than make the accommodation of her idea for dogs. When Katie makes the adjustment this is what Jean Piaget called accommodation. Assimilation and accommodation are a part of Jean Piaget theory call adaptation.
Jean Piaget considers that mental growth was a lifespan. Piaget took a stand and said that the formal operational stage is the last stage for cognitive development. Mental growth will continue to develop in adult will build upon gathering of person’s understanding of