Conclusion

To sum up, Jean Piaget’s of cognitive development has been used by many people and also it has been criticized. His theory has a very big impact on the theory and practice of education. He is one of the best known psychologies and also he is famous for his theory of cognitive development. In his theory there is four stage of the cognitive development. They are sensorimotor stage, preoperational stage, concrete operational stage and last formal operational stage. To teachers it is very important to know the development of cognitive development . Also cognitive development is very important when you need to learn something because cognitive developments affect the learning of the child.