Piaget highlighted which achievement as the crowning milestone of the sensorimotor period ________________?
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Answer: D. object permanence
Explanation
Object permanence marks the pinnacle cognitive achievement during the sensorimotor developmental stage. Infants realize that hidden objects continue to exist even when completely out of sight. Mastering this milestone signifies the emergence of foundational mental representation capabilities. Jean Piaget outlined four major stages of cognitive development in children from birth onward. The sensorimotor stage spans from birth to approximately two years of age. Infants develop this understanding gradually through active physical exploration of their surroundings.
Child psychologists test object permanence to evaluate normal cognitive development in infants. Peek-a-boo is a classic game that demonstrates an infant's developing grasp of object permanence. Understanding this milestone helps parents appreciate how infant thinking evolves during the first year. Abstract thinking emerges much later during the formal operational stage of cognitive development. Egocentrism is a characteristic limitation observed later during the preoperational stage. Contraction is not a recognized milestone within Piagetian developmental psychology terminology.
- Subject
- Psychology
- Category
- Psychology
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- —
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- medium
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