Examlex
Snoring is a sign of a partial airway obstruction.
Formal Operational
The final stage in Piaget's theory of cognitive development, marked by the ability to think abstractly and logically.
Concrete Operational
A stage in Piaget's theory of cognitive development, occurring from around 7 to 12 years, where children gain the ability to think logically about concrete events.
Abstractions
The process of considering something independently from concrete realities, specific objects, or actual instances.
Preoperational
A stage in Piaget's theory of cognitive development, from about 2 to 7 years of age, where children can use symbols and language but do not yet understand concrete logic.
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