Examlex
The opportunity cost of an action is:
Cognitive Development
Refers to the process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.
Piaget's Theory
A developmental theory proposed by Jean Piaget that outlines how children progress through four stages of cognitive development from infancy to adolescence.
Concrete Operational
Concrete operational stage is a phase in Piaget's theory of cognitive development, where children gain the ability to think logically about concrete, physical objects and events.
Cognitive Development
The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding over the course of a human life.
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