Introduction: Children with developmental delays (DD) and Autism Spectrum Disorder (ASD) are at a high risk for emotional and behavioral concerns. Research examining co-occurring anxiety in those with ASD during early childhood is scarce. The current study examined rates, symptom manifestation, and parenting risk correlates of anxiety among young…

This study examined the prevalence of ADHD symptoms and anxiety as reported by parents and teachers for 180 preschool children (ages 4-5) and school-aged children (ages 6-7) with ASD using the Child Behavior Checklist--Parent and Teacher Report Forms (Achenbach and Rescorla, Manual for ASEBA school-age forms & profiles, Research Center for…

Youth with autism spectrum conditions have been shown to be at an increased risk for bullying victimization. The overall aim of this study was to identify factors associated with increased risk for bullying victimization in youth with autism during middle childhood to early adolescence (aged 5-12 years) and to explore the potential time-ordered…

To assess prevalence and severity of emotional dysregulation (ED) in psychiatrically referred youth with autism spectrum disorder (ASD). ASD youth (N = 123) were compared to youth with attention-deficit/hyperactivity disorder (ADHD) and controls. The majority of psychiatrically referred youth with ASD had positive Child Behavior Checklist-ED…

Co-occurring problems with mood and anxiety among adolescents and adults on the autism spectrum are highly prevalent and contribute to poor outcomes and diminished quality of life. The current study's principal aim was to evaluate variation in the presentation of depression symptomatology among adolescents and adults with autism spectrum disorder,…

This study examined the prevalence of ADHD symptoms and anxiety as reported by parents and teachers for 180 preschool children (ages 4-5) and school-aged children (ages 6-7) with ASD using the Child Behavior Checklist--Parent and Teacher Report Forms (Achenbach and Rescorla, Manual for ASEBA school-age forms & profiles, Research Center for…

Daily living skills standard scores on the Vineland Adaptive Behavior Scales-2nd edition were examined in 417 adolescents from the Simons Simplex Collection. All participants had at least average intelligence and a diagnosis of autism spectrum disorder. Descriptive statistics and binary logistic regressions were used to examine the prevalence and…

Parents of children with autism spectrum disorders (ASD) have higher rates of depressive symptoms than parents of typically developing children and parents of children with other developmental disorders. Parental depressive symptoms are strongly associated with problem behaviors in children; however, the mechanisms through which parental…

Although comorbid or co-occurring psychiatric diagnoses such as attention deficit hyperactivity disorder, anxiety disorders, depression, and oppositional defiant or conduct disorders have been well studied in children or adolescents with autism spectrum disorders (ASDs), very little research is available on preschool samples. The current study…

Although autism spectrum disorders (ASD) prevalence is higher in males than females in Arab countries, few studies address sex differences in autistic symptoms and coexiting behavioral problems. A total of 37 boys and 23 girls recruited from three Arab countries (Egypt, Saudi Arabia, Jordan) matched for age and IQ. They were compared using Indian…

Background: Children with Autistic Disorder (AD) evidence more co-occurring maladaptive behaviours than their typically developing peers and peers with intellectual disability because of other aetiologies. The present study investigated the prevalence of Clinically Significant maladaptive behaviours during early childhood and identified at-risk…

The objectives of this study were to estimate the prevalence of autism spectrum disorders (ASD) and intellectual disability (ID) among youths active in at least one of five public service systems: mental health (MH), educational services for youth with serious emotional disturbance (SED), child welfare (CW), juvenile justice (JJ), and alcohol and…