Examlex
How does human communication differ from chimpanzee communication?
Sensorimotor Stage
The earliest stage in Piaget's theory of cognitive development, lasting from birth to about age 2, where infants learn about the world primarily through sensory experiences and manipulating objects.
Formal Operational
The final stage in Piaget's theory of cognitive development, characterized by the ability to think abstractly, logically, and to carry out systematic planning.
Concept of Conservation
A cognitive ability in child development whereby the child learns that quantity or amount does not change despite a change in the form or arrangement of objects.
Object Permanence
The understanding that objects continue to exist even when they cannot be observed or heard, a concept developed during early childhood.
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