Which Characteristic Differentiates Oppositional Defiant Disorder from ADHD and Conduct

Multiple Choice

Which characteristic differentiates oppositional defiant disorder from ADHD and conduct disorder?

A) Disruptive behaviour only occurs at home rather than in a multitude of settings.
B) More girls are diagnosed with the disorder.
C) Children are diagnosed at a much older age.
D) Children have less co-occurring psychological disorders.