There are a number of grammatical and lexical problems throughout the manuscript that need to be taken care of.
This work, as with other recent work, makes clear that the most severely aggressive youth tend to engage in high R2 levels of both proactive and reactive aggression and are otherwise also generally more distressed and dysregulated, as compared with youth who are more moderately aggressive and tend to engage in reactive aggression only, and youth who have low levels of aggression.