Answer :
According to Piaget, what cognitive gains are made during the concrete operational stage such as conservation, reversibility or classification, allowing logical reasoning
The specific operational stage s represent important steps in the cognitive development of children (Piaget, 1947). According to Piaget, thinking at this stage is characterized by logical operations such as conservation, reversibility, or classification that enable logical thinking.
An example of the distinction between concrete and formal work steps is the answer to the question "If Kelly is taller than Ali and Ali is taller than Joe, who is the tallest?" . This is an example of reasoning, the ability to think about things. what the child has not actually experienced
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