Objective ADHD symptom severity appears to be exacerbated during the COVID-19
pandemic. The present study surveyed top problems experienced by adolescents and …

Sex differences are poorly studied within the field of mental health, even though there is
evidence of disparities (with respect to brain anatomy, activation patterns, and …

The relative fit of two nested models can be evaluated using a chi-square difference statistic.
We evaluate the performance of five robust chi-square difference statistics in the context of …

Abstract Attention-Deficit/Hyperactivity Disorder (ADHD) is one of the most common
neurodevelopmental disorders among children. The symptoms of ADHD may lead to several …

Background Persistence and emergence of ADHD in adulthood are associated with
substance problems. We investigate differential implications of ADHD course for tobacco …

According to the failure model (Patterson & Capaldi, 1990), peer rejection is the intermediary
link between problem behaviors and internalizing symptoms. The present study tested the …

Background: Adolescents entering substance abuse treatment report clustered psychiatric
symptoms and sexual risk behaviors representing differential levels of impairment and risk …

Background Social, emotional, and behavioral difficulties (SEBDs) tend to develop during
adolescence. Their presence and especially co‐occurrence induce numerous disrupting …

This observational, longitudinal study's purpose was to investigate whether social network
integration has a moderating effect on smoking initiation among those with attention deficit …

Background Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental
disorder affecting numerous executive functioning skills, such as organizational skills. While …