The aim of this longitudinal population-based cohort study was to examine the effects of
ADHD and ODD symptoms in adolescence on academic performance at age 16, and on …

Objective: In this study, the authors investigated whether ADHD and oppositional defiant
disorder (ODD) behaviors share associations with problems in cognitive functioning and/or …

Childhood attention-deficit/hyperactivity disorder (ADHD) and comorbid oppositional defiant
disorder/conduct disorder (ODD/CD) are associated with negative school outcomes. The …

This study evaluated cognitive, academic, and behavioral differences among clinic-referred
children diagnosed with different subtypes of Attention-Deficit/Hyperactivity Disorder …

In comparison with pure forms of ADHD (Attention Deficit Hyperactivity Disorder), relatively
little is known about disruptive comorbid conditions of ADHD. In this study the presence of …

Background Oppositional defiant disorder behaviours (ODD) and attention
deficit/hyperactivity disorder symptoms (ADHD) are common disruptive childhood problems …

BackgroundA better understanding of the long-term scope and impact of the co-morbidity
with oppositional defiant disorder (ODD) and conduct disorder (CD) in attention deficit …

OBJECTIVE: To investigate whether the presence of comorbid oppositional defiant disorder
(ODD) or conduct disorder (CD) alters the correlates of attention-deficit hyperactivity disorder …

Abstract Background Attention‐Deficit Hyperactivity Disorder (ADHD) is associated with
impaired school performance, but the impact of ADHD may vary across sex, family …

Objective: Oppositional defiant disorder (ODD) is a common comorbidity of attention-
deficit/hyperactivity disorder (ADHD) in both children and adolescents. Although there is …