Concours PsyEN
Concours Psychologue de l'Éducation Nationale (PsyEN) (France)
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In Jean Piaget's theory of cognitive development, a 7-year-old child observes water poured from a short, wide glass into a tall, narrow glass and correctly states that the amount of water remains identical because 'you can just pour it back.' Which operational concept does this explanation specifically demonstrate?
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