I think that's true even for kids in the same family. That in itself is a challenge though. When kid 1 gets A because it works for them, but kid 2 gets B becau

I think that's true even for kids in the same family. That in itself is a challenge though. When kid 1 gets A because it works for them, but kid 2 gets B because it works for them, inevitably jealousy and accusations of unfairness ensue.