3q29 deletion syndrome (3q29del) is associated with a significantly increased risk for neurodevelopmental and neuropsychiatric disorders. However, the full spectrum of behavioral phenotypes associated with 3q29del is still evolving. Individuals with 3q29del (n = 96, 60.42% male) or their guardian completed the Achenbach Child or Adult Behavior…

The Auditory Behavior Questionnaire (ABQ) evaluates abnormal behavioral responses to auditory stimulation in children with Autism Spectrum Disorder (ASD). This study reports preliminary reliability, construct validity and standardization of the ABQ. Parents of children with ASD aged 7-21 years (n = 165) completed the ABQ on-line. Cronbach's alpha…

Research suggests that restricted and repetitive behaviors (RRBs) can be subdivided into Repetitive Sensory Motor (RSM) and Insistence on Sameness (IS) behaviors. However, because the majority of previous studies have used the Autism Diagnostic Interview-Revised (ADI-R), it is not clear whether these subcategories reflect the actual organization…

The purpose of this study was to assess the validity of the diagnosis of childhood autism in the Danish Psychiatric Central Register (DPCR) by reviewing medical records from 499 of 504 total children with childhood autism born 1990-1999. Based on review of abstracted behaviors recorded in case records from child psychiatric hospitals, case status…

To examine the validity of oppositional defiant disorder (ODD) as a clinical phenotype distinct from attention-deficit hyperactivity disorder (ADHD), parents and teachers completed a DSM-IV-referenced rating scale and a background questionnaire for 608 children (ages 3-12 years) with autism spectrum disorder (ASD). The ASD sample was separated…

Validity studies of measures for emotional and behavioral disorders (EBD) for use with preschool children with autism spectrum disorders (ASD) are lacking. The Child Behavior Checklist 1.5-5 (CBCL; Achenbach and Rescorla, Manual for the ASEBA Preschool Forms & Profiles. VT: University of Vermont, Research Center for Children, Youth, and…

This study examines the reliability and validity of various behavior rating scales, side effects checklists, and an ecobehavioral observation system used to study self-injurious behavior among persons with mental retardation. Findings from testing with 30 adults suggest that further refinement is necessary to reliably and sensitively assess the…

This article describes the development and validation of the Developmental Behavior Checklist for children with emotional and behavior problems along with mental retardation. The article discusses generating and refining the checklist items, results of a principal components analysis, establishing reliability and construct and criterion validity,…