Cooper, age 11, is quite large for his age. He is much taller than all of his classmates, and as a result they are rather intimidated by him. Cooper is very aggressive, and is regarded as a bully by his peers. He often pushes other kids around and is quickly ready to fight if they stand up to him. He has been suspended from school three times for punching other kids. In one instance, the other child suffered serious bruises from the assault. Cooper's behaviors are consistent with the __________ subtype of conduct disorder.