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Piaget's theory argues that we have to conquer 4 stages of cognitive development. Only once we have gone through all the stages, at what age can vary, we are able to reach full human intelligence. Never miss a new video with our newsletter: Join and support us! Special thanks for our patron supporters: Ville Medeiros, Chutimon Nuangnit, Cedric Wang, Mike, Eva Marie Koblin, Julien Dumesnil, Mathis, and the others. You are amazing !!! Join our supporters and help us reach students and teachers worldwide with friendly videos that explain difficult things simple. Subscribe to our channel, write a comment or support us as a Patron: Sources: 's_theory_of_cognitive_development Full Script:
