For years, Attention-Deficit/Hyperactivity Disorder (ADHD) was believed to be a phenomenon disproportionately impacting boys and men. However, in light of recent upticks in initial diagnosis and treatment for girls and women with ADHD, prevalence estimates appear to be more comparable across genders than previously believed. With increased…

Background: The reciprocal relationships between literacy skills and various subscales of mental health have been examined in few studies. The objective is to re-examine this question in a longitudinal study with the possibility of a gender effect. Methods: A 4-year longitudinal study was conducted as part of the French national cohort ELFE (N =…

A recent study suggests that parent report on the Social Symptom and Prosocial scales of the Childhood Joint Attention Rating Scale provides useful information about differences in the social development of school-aged autistic children. The current study provides additional psychometric data on the Childhood Joint Attention Rating Scale regarding…

Objective: Sluggish cognitive tempo (SCT) and autistic-like traits (ALTs) may occur together in attention-deficit/hyperactivity disorder (ADHD). This study aimed to explore a possible association between SCT and ALTs in a sample diagnosed with ADHD. Method: A total of 147 children and adolescents with ADHD aged 6 to 14 were included in the study.…

Studies on the impact of the COVID-19 pandemic on autistic children's psychosocial outcomes have shown mixed results. In the current study we aimed to gain a better insight into the effect of the COVID-19 pandemic by comparing psychosocial outcomes collected pre-pandemic with data collected during the pandemic. We used the Strengths and…

Objective: This study aims to investigate the impact of positive illusory bias (PIB) on the relationship between ADHD symptoms and functioning in college students, with a focus on gender differences. Method: The sample consisted of 195 college students, including 148 with ADHD and 47 without ADHD. Measures of ADHD symptomatology, life…

Children with complex behavioral profiles (e.g., ASD + ADHD) may experience delays in obtaining a final diagnosis. Low-resource or underrepresented groups may be at even greater risk for delayed diagnosis. We assessed the effect of sociodemographic factors, symptom complexity and co-occurring conditions, and identifier of first symptoms on…

This study examined child demographics and teacher background and beliefs that may be associated with teacher reports of externalizing behaviors in preschool children. Reports of these behaviors are associated with preschool suspension or expulsion. Head Start teacher and child data were used to investigate how teacher-reported child behavior…

An expanded Theory of Planned Behaviour (TPB; Ajzen, "Organizational Behavior and Human Decision Processes" 50:179-211, 1991, Ajzen, "Journal of Applied Social Psychology" 32:665-683, 2002) which incorporates affective, moral, and personal belief variables with Ajzen's original social, behavioural, and cognitive factors has not…

Objective: Maladaptive daydreaming (MD) is characterized by vivid, excessive fantasy activity that becomes prioritized over other activities and may result in avoidant coping strategies. Little is known about the relationship between MD and internalized stigma in the neurodivergent sample. The current study aimed to examine emotional…

School disruption (SD) places students at risk of early school departure and other negative psychological outcomes. Based on the data derived from a sample of Ontario children and youth, this study aims to identify risk factors associated with SD among 1,241 school-aged students. A logistic regression model revealed that substance use, family…

The purpose of this study was to identify predictors of friendship quality in adolescents with and without ADHD. The participants were 115 adolescents (61 ADHD, 54 non-ADHD), ages 13-18. The adolescents completed questionnaires assessing the quality of their relationships with their best friends, social perspective taking, anxiety and depression.…

Surprisingly little research has considered whether parent-child activities facilitate social-emotional development and whether these associations differ for boys and girls. To address this gap, this study leveraged the National Longitudinal Survey of Children and Youth (2006-2008) to examine the extent to which story reading, storytelling and…

Although several decades of research has highlighted the contribution of classroom behaviors to students' mathematics and reading performance, this relation with regard to writing performance has been examined to a lesser extent. Therefore, this study sought to examine a wide range of classroom behaviors as predictors of written expression,…

Objective: The prevalence of stimulant medication misuse is rising in college students. Motivations to use stimulant medications differ from motivation to use other substances such as alcohol or cannabis. However, no previous research has examined the impact of achievement goal orientation on stimulant misuse in college students. Participants: 309…