Examlex
Resource availability is the only density-dependent factor affecting a population.
Cross-Sectional
A research design that analyzes data from a population, or a representative subset, at a specific point in time.
Concrete Operations
A stage in Piaget's theory of cognitive development, typically occurring between ages 7 and 11, where children gain the ability to think logically about concrete events.
Formal Operations
The final stage in Piaget's theory of cognitive development, characterized by the ability to think abstractly, reason logically, and manage ideas in the mind without concrete manipulation.
Sensory-Motor
Referring to the processing of sensory information and motor response.
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