I think that this trend, at least in part, has been influenced by a change in the way that we treat adolescent crime. For example, even when I was a kid (early 90's) you would not get arrested for getting into a fist fight at school. Nowadays, bam; call the cops. Get caught with some pot? Arrested. Get caught performing some petty vandalization? Arrested. Get caught at a party drinking as a minor? Arrested. We arrest…
> I think that this trend, at least in part, has been influenced by a change in the way that we treat adolescent crime. For example, even when I was a kid (early 90's) you would not get arrested for getting into a fist fight at school. Nowadays, bam; call the cops. Well, the people in this study were born in the early 80s. So I'm not sure any modern shifts that you point to are the distinctive factor.
"The study is an analysis of national survey data from 1997 to 2008 of teenagers and young adults, ages 18"