Validity of the Age-of-Onset Criterion for ADHD: A Report From the DSM-IV Field Trials

Anesko, 1987, The Homework Problem Checklist: assessing children's homework difficulties, Behav Assess, 9, 179 Bird, 1990, Impairment in the epidemiological measurement of childhood psychopathology in the community, J Am Acad Chile Adolesc Psychiatry, 29, 796, 10.1097/00004583-199009000-00020 Bird, 1992, Aggregating data from multiple informants in child psychiatry epidemiological research, J Am Acad Child Adolesc Psychiatry, 31, 78, 10.1097/00004583-199201000-00012 Cohen, 1960, A coefficient of agreement for nominal scales, Educ Psychol Meas, 44, 301 DuPaul, 1991, Teacher ratings of academic skills: the development of the Academic Performance Rating Scale, Sch Psychol Rev, 20, 284, 10.1080/02796015.1991.12085552 Frick, 1994, DSM-IV Fild trials for the disruptive behavior disorders: symptom utility estimates, J Am Acad Child Adolesc Psychiatry, 33, 529, 10.1097/00004583-199405000-00011 Hart, 1994, Criterion validity of informants in the diagnosis of disruptive behavior disorders in children: a preliminary study, J Consult Clin Psychol, 62, 410, 10.1037/0022-006X.62.2.410 Lahey, 1994, DSM-IV field trials for oppositional defiant disorder and conduct disorder in children and adolescents, Am J Psychiatry, 151, 1163, 10.1176/ajp.151.8.1163 Lahey, 1994, DSM-IV field trials for attention deficit/hyperactivity disorder in children and adolescents, Am J Psychiatry, 151, 1673, 10.1176/ajp.151.11.1673 Lahey, 1997, Attention deficit disorder without hyperactivity: a review of research relevant to DSM-IV., 3, 189 Lahey, 1988, Psychopathology in the parents of children with conduct disorder and hyperactivity, J Am Acad Child Adolesc Psychiatry, 27, 163, 10.1097/00004583-198803000-00005 Loeber, 1995, Which boys will fare worse? Early predictors of the onset of conduct disorder in a six-year longitudinal study, J Am Acad Child Adolesc Psychiatry, 34, 499, 10.1097/00004583-199504000-00017 Piacentini, 1992, Combining discrepant diagnostic information from multiple sources: are complex algorithms better than simple ones?, J Abnorm Child Psychol, 20, 51, 10.1007/BF00927116 Schwab-Stone, 1996, Criterion validity of the NIMH Diagnostic Interview Schedule for Children Version 2.3 (DISC-2.3), J Am Acad Child Adolesc Psychiatry, 35, 878, 10.1097/00004583-199607000-00013 Setterberg, 1992 Shaffer, 1996, The NIMH Diagnostic Interview Schedule for Children (DISC-2.3): description, acceptability, prevalence rates, and performance in the MECA study, J Am Acad Child Adolesc Psychiatry, 35, 865, 10.1097/00004583-199607000-00012 Shaffer, 1983, A children's global assessment scale (CGAS), Arch Gen Psychiatry, 40, 1228, 10.1001/archpsyc.1983.01790100074010