Jean Piaget's Stages Of Cognitive Development

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The most popular comparison between stages of Jean Piaget's Stages of cognitive development, is the principle of conservation. Conversion refers to the ability to determine that a quantity of an item remains the same even if the shape, or positioning changes. In the Preoperational stage, children are only able to determine what quantity is larger based on the shape of the object in question. The famous experiment behind this principle involves three cups, two being short, one being tall. Juice is presented to the child in the two smaller cups, while both cups have the same amount of juice. The experimenter confirms with the child that both cups have the same amount of juice. Then the experimenter proceeds to pour one cup of juice, into a much

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