Part 1 of Essay
It is far easier to measure a child's physical growth and maturation than to assess the complexities of individual differences in children's disruptive and antisocial development. Pediatricians can clearly record increases in a child's weight and height on growth charts and even provide percentile estimates indicating how ....

Part 2 of Essay
.... 4-year-old who aggressively and frequently bites playmates to forcefully gain possession of desired toys. Among adolescents, a certain degree of misbehavior, experimentation, or independence seeking is common. In fact, the American Psychiatric Association (1994) indicates that "New onset of oppositional behaviors in adolescence may be due to the process of normal individuation." On the other hand, youth who persistently and progressively engage in problem behaviors with significant impairment in personal developm ....