One major difference between the three year old and the nine year old, would be that the three year old's thinking would be hindered by …show more content…
His theory would put the three year old in the preoperational stage, and the nine year old in the concrete operational stage. Although recent studies have found that cognitive development is more gradual than it is stagelike, Piaget's theory would likely hold true in the aspect that the three year old's thinking would not be as advanced as the nine year old. The older child, having more experience with the world, would have more knowledge and would, therefore, have a better understanding of more complex thought