I'm somewhat curious about what others think of the rather controversial method of diaper discipline for punishing extreme bad behavior in adolscents. Though many view it as an extremely harmful and soul destroying thing i must admit i do have a certain soft spot for it. in saying that i will add that i don't think it should ever be used as a punishment for trivial bad behavior (talking back, swearing, occasional fights ect).
My personal "experience" with it is that my parents used it on my oldest brother when he was 16. Although he certainly didn't like it, it did the trick and made him behave properly.
To give a general idea of what my brother was like as an adolescent i'll tell you this much: at age 14 he had stolen two cars, broken into six houses, had a heroin addiction, had missed a total of 540 days of school (almost consecutively), had burnt down my dad's garage and had broken his principals nose.
These days he owns a successful roofing business and has just bought a $950,000 house. Personally i believe it was mainly diaper discipline that curbed his behavior.