Background: Sensory processing differences are reported both in children with ADHD and in children with autism. Given the substantial overlap between autism and ADHD, the current study examined which sensory features were uniquely predictive of autistic traits after controlling for ADHD symptoms, age, IQ, and sex in a sample of children and…

Restricted interests are an established diagnostic symptom of autism spectrum disorder. While there is considerable evidence that these interests have maladaptive consequences, they also provide a range of benefits. This article introduces a new instrument, the Survey of Favorite Interests and Activities, and uses it to examine the nature of…

This study assessed the reliability and criterion-related validity of teacher ratings on the Adapted Skillstreaming Checklist for a sample of 133 children, aged 6-11 years, with autism spectrum disorder (without intellectual disability). Internal consistency for the total sample was 0.93. For a subsample, test-retest reliability was very good (r =…

This study examined relations between anxiety, aggression, social understanding, IQ, and diagnosis in a sample of 231 children (ages 2-9) diagnosed with Autism Spectrum Disorders (ASDs; Autistic Disorder, Asperger's Disorder, Pervasive Developmental Disorder Not Otherwise Specified) in a hospital setting. Children were administered tests of IQ,…

"The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5)," requires that symptoms of ADHD must be "developmentally inappropriate" in order for an ADHD diagnosis to be considered. Because the DSM-5 does not specifically outline procedure for determining developmental inappropriateness of behaviors,…

Sixty-one preschool children and their parents and teachers participated in a cross-sectional study of the social-emotional correlates of emergent literacy skills. The children's emergent literacy skills were assessed with the standard language and literacy tests: "Expressive Vocabulary Test, Peabody Picture Vocabulary Test" (third…

The present study examined the power of measures of early preschool behavior to predict later diagnoses of attention-deficit/hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD)/conduct disorder (CD). Participants were 168 children with behavior problems at age 3 who underwent a multimethod assessment of ADHD and ODD symptoms and…

The longitudinal relationships between depression, anxiety, conduct problems, and inattention were investigated. The present study attempted to overcome the methodological limitations of prior research on childhood co-occurring syndromes by using continuous measures of constructs, controlling for multiple symptoms at baseline, and considering the…

The present study examined differences across gender, ethnicity, and age with regard to the nature of participants' self-reported attitudes toward school and teachers, based on previous research suggesting that students' school- and teacher-related attitudes appear to have an influence on academic achievement. This study employed an archival…