A typical 4.5-year-old on Piagetian conservation tasks: number, length, liquid, mass, and area. (Captioning provided by the IT Department at Inver Hills Community College, Inver Grove Heights, MN.)
A typical child on Piaget's conservation tasks
A typical 4.5-year-old on Piagetian conservation tasks: number, length, liquid, mass, and area. (Captioning provided by the IT Department at Inver Hills Community College, Inver Grove Heights, MN.)
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