Answer:
Formal Operational Stage
Explanation:
According to Piaget's theory of cognitive development, the ability to think about things that are not concrete, make predictions, and use logic to come up with hypotheses about the future is attained during the <em>Formal Operational Stage.</em> This stage starts at age 11 and goes through adulthood. Kids develop the ability to think about abstract ideas, make predictions, and think logically.
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