Concrete operational childs ability to reverse thought is due to their acquisition of: mental operations
The concrete-operational stage is a crucial period in children's cognitive development. According to Piaget, logical processes like conservation, reversibility, or categorization, which enable logical reasoning, define thinking at this stage.
The child discovers that certain altered objects can be converted back to their original condition. Water can be frozen and then re-converted to a liquid. However egg once boiled cannot be undone.
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