Examlex
John C. Calhoun and George Fitzhugh:
Concrete Operations
A stage in Piaget's theory of cognitive development, typically occurring between 7 and 11 years of age, during which children gain a better understanding of mental operations and can think logically about concrete events.
Tangible Objects
Physical items that can be seen, touched, and occupied in space, as opposed to abstract concepts or digital items.
Cognitive Development
The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.
Understanding Conservation
The cognitive ability to recognize that quantity or amount does not change when its form or appearance is altered.
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