These techniques work on adults too. The U.S. has been trying to deal with repeat criminals by increasing the sentences, and it isn't working. It is in our civil and finacial interest to rehabilitate our incarcerated prison population, and showing them how to solve their problems legally is a lot more effective than punishment or lectures.

On a side note, education by example and role playing adds a new option to the popular "carrot or stick" methods of behavioral modification. Call it "fishing rod".