In the current study, we examined adaptive skills and trajectories over time in 257 individuals with Angelman syndrome (AS) using the Vineland Adaptive Behavior Scales, 2nd Edition. Multilevel linear models were used to examine differences between molecular subtypes over time, from one year to 13 years of age, in the adaptive domains of…

Behavior analysts frequently use the Verbal Behavior Milestones Assessment and Placement Program (VB-MAPP) to assess the language and social skills of children with autism in everyday practice and in research. Despite the widespread use of the VB-MAPP, its psychometric characteristics have not been extensively investigated. To provide information…

Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social communication and interaction deficits, as well as restricted and repetitive behaviors. Previous research has examined the role that social deficits play on the development of daily living skills in children with ASD. However, there is a lack of research on…

Adolescents with autism spectrum disorder (ASD) without an intellectual disability (ID) have daily living skills (DLS) that fall below their chronological age and affect their ability to achieve successful adult outcomes, but little is known about their specific DLS challenges. Utilizing the Vineland Adaptive Behavior Scales, 3rd Edition (VABS-3)…

There is limited literature examining the adaptive functioning of adolescents with autism spectrum disorder (ASD). This study aimed to (a) document Vineland Adaptive Behavior Scales (VABS-3) and Adaptive Behavior Assessment System (ABAS-3) adaptive behavior profiles of adolescents with ASD; (b) examine the comparability of the two measures; and…

Adaptive functioning, or the suite of skills essential for real-world, day-to-day functioning, includes daily living, communication, and socialization abilities. Even in the absence of co-occurring intellectual disability (IQ < 70), difficulties in adaptive functioning are prominent in autism spectrum disorder (ASD). Further, ASD individuals…

Background: Understanding adaptive behaviour variability in children with autism spectrum disorder (ASD) may have important implications for early intervention. The purpose of this study was to explore whether autism symptom severity and caregiver depression affected adaptive behaviour in young children with ASD. Method: Data were collected from…

Currently, Developmental scales for children aged 0-6 years are a particularly valuable resource for assessing developmental milestones in children. Most scales are developed based on a broad conceptual framework, and their metric validation is insufficient and of low quality. The aim of this systematic review is to analyse the psychometric…

The aim of this research study was to examine the effects of Assisted Cycling Therapy (ACT) on adaptive/maladaptive behaviors, depression, and self-efficacy in adolescents with Down syndrome (DS). The participants were counterbalanced to either intervention groups of 1) Assisted Cycling Therapy (ACT), in which the participants' voluntary pedaling…

Longitudinal growth modeling was utilized to examine adaptive behavior over eight years across the three time points (i.e., ages 2-10). Seventy-six parents completed the Vineland Adaptive Behavior Scales interviews of adaptive behavior. Child participants completed standardized developmental testing and an executive function task in toddlerhood…

Individuals with autism spectrum disorder and average IQ exhibit a widening discrepancy between lagging adaptive skills relative to their cognitive potential, but it is unknown when this discrepancy emerges in development. To address this important question, we measured adaptive and cognitive skills longitudinally, from 12-36 months, in 96…

As an increasing number of individuals with autism spectrum disorder (ASD) matriculate on college campuses, all stakeholders should be prepared to meet their needs. Despite a body of literature describing adaptive behavior deficits of individuals with ASD, there is a paucity of research examining these skills among those who are college-ready. The…

In Oman and elsewhere in Arab countries school professionals rely on measures that were developed in Western countries. Measures that assess adaptive behaviour (AB) that have been developed in Western cultures are argued to be culturally bound. Nevertheless, these measures are used elsewhere despite a paucity of data that examine their…

Occupational performance assessments of children are essential for guiding occupational therapy intervention and for measuring the effectiveness of occupational therapy services for children. A review of relevant research and of occupational performance assessments designed for children was conducted to determine and describe how the occupational…

Daily living skills deficits are strongly associated with poor adult outcomes for individuals with high-functioning autism spectrum disorder, and yet, there are no group interventions targeting daily living skills. Seven adolescents with autism spectrum disorder and their parents participated in a feasibility pilot of a 12-week manualized group…