Answer: Preoperational
Explanation:
Preoperational is the second stage of Piaget's theory of cognitive development.
This stage starts at two and lasts up to approximately seven. Piaget's observe that in this stage child do not has the concrete logic and unable to get the other's point of view which he termed as egocentrism.
Piaget's done a lot of experiment like "Three mountain task" which shows that children are unable to get the other's point of view.