The ability to think abstractly and systematically solve problems emerges during the ______?

The ability to think abstractly and systematically solve problems emerges during the ______?

کس کے دوران خلاصہ اور منظم طریقے سے مسائل حل کرنے کی صلاحیت ابھرتی ہے؟
Explanation

In Piaget's theory of cognitive development, the formal operational stage (age ~12 and up) is when children begin to think abstractly, logically, and systematically.

It is the final stage in Piaget’s model.