OBJECTIVE: To investigate correlates of internalizing and externalizing psychopathology in
a clinical sample of children with attention-deficit/hyperactivity disorder (ADHD). METHOD …

OBJECTIVE: Although the literature documents that attention-deficit/hyperactivity disorder
(ADHD) commonly onsets prior to age 6, little is known about the disorder in preschool …

OBJECTIVE: Since the introduction of DSM-III/III-R, clinicians and investigators have shown
increasing interest in the study of conditions comorbid with attention-deficit hyperactivity …

Background: Previous cross-sectional data showed that children and adolescents with
attention-deficit hyperactivity disorder (ADHD) are at increased risk of comorbid conduct …

Background A diagnosis of attention‐deficit/hyperactivity disorder (ADHD) requires the
presence of impairment alongside symptoms above a specific frequency and severity …

OBJECTIVE: To examine ratings and objective measures of attention-deficit/hyperactivity
disorder (ADHD) symptoms to assess whether ADHD children with and without comorbid …

Using data based on self-, parent, and teacher reports, we assessed various aspects of
psychopathology in a large sample of control children and those with ADHD. Confirmatory …

OBJECTIVE: To compare the prevalence of psychological disorders in parents of young
children with and without attention-deficit/hyperactivity disorder (ADHD) and comorbid …

OBJECTIVE: To identify the psychosocial and clinical correlates of attention-deficit
hyperactivity disorder (ADHD) in a community sample of children and to examine the validity …

OBJECTIVE: To determine whether there are differences in the clinical expression and
correlates of attention-deficit hyper-activity disorder (ADHD) between children and …