Petra is able to imagine what would happen if parents were held legally responsible for the crimes of their children. she is capable of making an argument for or against this, regardless of her opinion. petra is probably in which stage of cognitive development?

Jackie went to the grocery store to pick up yogurt, bread, and apples. first, she picked up a hand basket for carrying her groceries, and then she searched the store. after finding what she needed, she stood in a check-out line. then, the cashier put her items in a plastic bag, and soon after, jackie left the store. as readers of this event, we understand that jackie paid for the groceries, even though it wasn't mentioned, because we are relying on a grocery store