Validity of the Age-of-Onset Criterion for ADHD: A Report From the DSM-IV Field Trials
To examine the validity of the DSM-IV requirement of an age of onset of impairment due to symptoms before 7 years of age for the diagnosis of attention-deficit/hyperactivity disorder (ADHD). The validity of this criterion was examined in a clinic sample of 380 youths aged 4 through 17 years by compa...
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Veröffentlicht in: | Journal of the American Academy of Child and Adolescent Psychiatry 1997-09, Vol.36 (9), p.1211-1221 |
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