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

The effects of attention-deficit/hyperactivity disorder (ADHD) symptoms on the psychosocial
functioning of Hispanic youth have been understudied. It also remains unclear if the well …

Background Externalizing symptoms are associated with risk of future substance use
disorder (SUD). Few longitudinal studies exist using general population‐based samples …

In the investigation of the effect of attention deficit hyperactivity disorder (ADHD) symptoms
on school careers there is a need to study the role of adolescent and childhood ADHD …

This longitudinal study examined the cross-lagged relationships of ADHD symptoms, school
adjustment and academic performance during the transition from primary to middle school …

The purpose of this study is to clarify psychosocial characteristics of the comorbidity of
attention‐deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) in …

Objective: Investigate the prevalence and impact of psychiatric comorbidities in community-
based samples of schoolchildren with/without ADHD. Method: Teachers and parents …

ObjectivesIn children and adolescents diagnosed with attention-deficit/hyperactivity disorder
(ADHD), the comorbidity of the oppositional defiant disorder (ODD) negatively affects the …

So far there are contradictory findings concerning the degree of negative influence of
attention deficit disorders, external or socio-emotional disorders on academic development …

This investigation was designed to identify the impact on the family behavioral system
created by children ranging in ages from five to eighteen with disruptive behavior disorders …