Which of the following statements about the onset and developmental course of conduct disorder is true?
A. Onset may occur as early as the preschool years and is rare after age 16 years.
B. Onset typically occurs in adolescence.
C. Age at onset has no bearing on the developmental course of the disorder.
B. Oppositional defiant disorder is generally not a precursor to the childhood-onset type of conduct disorder.
E. Those with the adolescent-onset type of conduct disorder are less likely to adjust successfully as adults.