Answer:
Explanation: The concrete operational stage is the third stage in Piaget's theory of cognitive development. This period spans the time of middle childhood—it begins around age 7 and continues until approximately age 11—and is characterized by the development of logical thought. 1
Once the child reaches the Concrete Operational Stage, they can begin to separate and classify objects that are animate vs. objects that are inanimate. Children at the Concrete Operational Stage also have the ability to organize the items that they have classified. Seriation is the process is arranging items in a logical order.
