Answer: Piaget believed that the ___preschool years___ fit entirely in a single stage of cognitive development called the _pre-operational___ stage
Explanation: Piaget developed the theory of cognitive development which is a comprehensive theory about the nature and development of human intelligence. The preschool years is usually one with children aged from two to seven. This level is encompassed by what he termed the pre-operational stage of cognitive development, a stage characterized by increased play and pretense. A stage the child is able to form stable concepts as well as magical beliefs. The child, however, is still not able to perform operations, which are tasks that the child can do mentally, rather than physically. Thinking in this stage is still egocentric, meaning the child has difficulty seeing the viewpoint of others. wherein the child learns to begin speech. Here, they do not understand concrete logic, cannot mentally manipulate information and have troubles seeing things from others' view points.
