Jean piaget's use of the term "operational" is most aligned with the concept of

The correct answer is: Reasoning skills.

Explanation:

Swiss psychologist Jean Piaget (1896-1980) is worldwide known for his Theory of Cognitive Development which is an approach to human intelligence related to our nature. According to Piaget, Cognitive Development has four (4) stages: sensorimotor, preoperational, concrete operational, and formal operational.  

In that case, Piaget's theory is most aligned with the concept of reasoning skills since these summarize how humans can come up to conclusions and support their ideas based on reasonable evidence.

Reasoning skill

Explanation:

Piaget stated that "hypothetico-deductive reasoning" becomes important during the formal operational stage. This type of thinking involves hypothetical "what-if" situations that are not always rooted in reality, i.e. counterfactual thinking. It is often required in science and mathematics.

a. money supply  

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answer; at prices that violate government price regulations;