Cognitive Development: Sensorimotor Stage (Intro Psych Tutorial #176)

www.psychexamreview.com In this video I begin describing the 4 stages of Piaget's theory of cognitive development: sensorimotor, preoperational, concrete operational, and formal operational. Then I provide details of the sensorimotor stage along with more recent research suggesting that infant understanding of the world may be more detailed than Piaget proposed.

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Infant demonstrating the A-not-B error: https://www.youtube.com/watch?v=lhHkJ3InQOE ... https://www.youtube.com/watch?v=f1MJ_ojQFpw