Psychologist jean piaget showed children two identical glasses filled with the same amount of water. after the children agreed that both glasses held the same amount of water, piaget poured the water from one glass into a taller, narrower glass and then asked them about the amounts of water in each glass. tyler thought that the taller glass held more water because the water line was higher than in the shorter, wider glass. this is an indication that tyler is in the stage of development.

Preoperational

Explanation: Piaget created four stages, which he classified the stages of children til twelve years old. The Preoperational is the second stage in his theory, the child enters the phase around 2 years old until 7 years old. In this stage, the children start to engage in symbolic way, play and learn to manipulate symbols. Is a very important stage for the child. Because the symbolic is being developed.

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