• Jean Piaget
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  • A baby drops their spoon from the highchair repeatedly, giggling each time their caregiver picks it up. The baby seems to enjoy testing this cause-and-effect pattern.
    Sensorimotor Stage
  • A 10-month-old searches for a toy hidden under a blanket, even though they can no longer see it.
    Sensorimotor Stage
  • A toddler shakes a rattle repeatedly, enjoying the sound it makes, and then tries shaking other objects to see if they produce similar noises.
    Sensorimotor Stage
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