The present study examined the joint development of substance use and externalizing problems in early and middle adolescence. First, it was tested whether the relevant groups found in previous studies i.e., those with an early onset, a late onset, and no onset or low levels of risk behavior could be identified, while using a developmental model of…

Confirmatory factor analyses were conducted of "Diagnostic and Statistical Manual of Mental Disorders", Fourth Edition (DSM-IV) symptoms of common mental disorders derived from structured interviews of a representative sample of 4,049 twin children and adolescents and their adult caretakers. A dimensional model based on the assignment of symptoms…

A model for inferential accuracy in clinical judgments was proposed in which two major processes, sensitivity and threshold, was hypothesized. (Editor/RK)

Although descriptive and etiological approaches to psychopathology have made notable advances, they seem to have reached a plateau. After reviewing the six approaches to etiology that now preempt the field--ecological, developmental, learning, genetic, internal environment, and neurophysiological models--a second-order model, vulnerability, is…

Examined the intersection between internalizing and disruptive behavior problems in 890 inner-city boys in grades 4 and 7 over a 3-year period. Found that internalizing problems were more associated with a diagnosis of attention deficit-hyperactivity disorder than with a diagnosis of conduct disorder. (MDM)