touch and so on. These feelings and actions initially are pure reflections, then gradually become complicated, from learning and physical movements to mental activities. In addition, Piaget found that there is no conservation consciousness in children. Conservation refers to the characteristics of a particular aspect of the object, which is not changed by changes in other elements such as quantity and volume conservations. For example, adding a pile of coins to a cylinder full of water and then spreading them does not mean you will get more coins. Piaget suggests that children do not know that. This is a significant finding in this phase, suggesting that children have limitations in the way that they think and understand the world. There is a widespread lack of conservation awareness among children in the preoperational stage, which is supported by a large number of repeated experiments. Therefore, the period comes before admission and early entrance, so this time is particularly important in education. Thus, it is not only the study of the cognitive development of children in this period, whether it be Piaget himself or a latter scholar. Piaget called this time "preoperational stage" because children in this period use their thinking when
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- Fall '13