“…A substantial percentage of children diagnosed with ADHD will continue to experience clinically meaningful symptoms through young adulthood (Pelham, Vodde-Hamilton, Murphy, Greenstein, & Vallano, 1991;Wender, 1995), although there is a wide range of prevalence estimates across studies (Wilens, Biederman, & Spencer, 2002). While much of the current information on adult manifestations is anecdotal (Barkley, Murphy, &Kwasnick, 1996b;Wender, 1995), a growing empirical literature has documented maladjustment across several domains, including neurological (e.g., Dinn, Robbins, & Harris, 2001), educational (e.g., Mannuzza, Klein, Bessler, Malloy, & LaPadula, 1993), and occupational (e.g., motor vehicle operation; Barkley, Murphy, & Kwasnick, 1996a) impairments, among others (see review in Mannuzza & Klein, 1999).…”