Autistic individuals are twice as likely to meet criteria for anxiety than neurotypical children; yet we lack understanding of early presentations of anxiety in young autistic children, especially those with cognitive impairment. This study is the first to utilize an autism-specific anxiety diagnostic interview with 28 preschool cognitively…

Background: Few studies have explored community participation for autistic adults, with or without intellectual disability. This study aims to investigate how autistic adults participate in the community, and the childhood and adulthood factors that predict community participation in adulthood. Method: Eighty-four autistic adults (mean age 34…

Comprehensive evaluations include data from multiple informants, but discrepancies occur on adaptive skill measures of youth with autism spectrum disorder (ASD) and intellectual disabilities (ID). This study investigated discrepancies between parent-teacher ratings on a measure of adaptive behavior ["Adaptive Behavior Assessment System, Third…

This study analyzed the post-high school outcomes of exited high-school students with intellectual disability and autism spectrum disorder from a southwestern U.S. state. A predictive analytics approach was used to analyze these students' post-high school outcomes data, which every state is required to collect each year under U.S.…

Children with ASD are more likely to be involved in bullying compared to typically developing peers; however, studies rarely examine bullying perpetration and the contributing factors among this population. The primary aim of this study was to examine the extent to which parent-reported ASD symptoms, social skills, and comorbid externalizing and…

This study used longitudinal special education record data from a large urban southwestern U.S. school district to review classroom placements of students in Grades 5 to 9 educated in traditional public schools (N = 21,314). Results indicated that half of the students were educated primarily in general education classrooms (n = 10,658), 9% of…

Background & aims: Due to the complexity of early diagnostic decision making, we examined the predictive value of an early diagnostic classification and early abilities on later best estimate diagnosis for 22 clinically referred children with language difficulties. Methods and procedures: Four years after initial evaluation (Time 1), the…

Background and Aims: Individuals with fragile X syndrome (FXS) characteristically struggle with language and communication throughout the life course, but there is limited research on the development of communication before 24 months. The purpose of this study is to describe the early communication of infants and toddlers with FXS using the…

College-based transition services provide opportunities for transition-age students with intellectual disability and autism (ID/A) between the ages of 18 and 22 to receive their final years of secondary transition services in a college or university setting. We compared the extent to which youth with ID/A experience in-school predictors of…