Reversibility is a cognitive skill related to Piaget's concrete operational stage, allowing individuals to mentally reverse steps and return to the starting point.
Reversibility refers to the ability to mentally go back to the starting point, like in arithmetic where operations can be reversed (2 + 3 = 5, 5 - 3 = 2). In the context of the question, Tarvis' ability to think through steps and return to the starting point indicates a capacity for reversibility. It is a cognitive skill associated with Piaget's concrete operational stage.
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