George watched as a researcher placed five toy dogs and three toy cats on a table. When the researcher asked George if there are more dogs or more animals, George correctly answered more animals. George's behavior indicates that he understands ____ and is in the ____ stage of cognitive development.

Question

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George's ability to understand that there are more animals than just dogs or cats shows he understands hierarchical classification, which is a skill typically developed in the concrete operational stage.

George Watched as a Researcher Placed Five Toy Dogs and Three