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Direct linkCristan Farmer; Audrey Thurm; Tanvi Das; E. Martina Bebin; Jonathan A. Bernstein; Elizabeth Berry-Kravis; Joseph D. Buxbaum; Charis Eng; Thomas Frazier; Antonio Y. Hardan; Alexander Kolevzon; Darcy A. Krueger; Julian A. Martinez-Agosto; Hope Northrup; Craig M. Powell; Latha Valluripalli Soorya; Joyce Y. Wu; Mustafa Sahin – American Journal on Intellectual and Developmental Disabilities, 2025
Developmental domains, such as cognitive, language, and motor, are key concepts of interest in longitudinal studies of intellectual and developmental disabilities (IDD). Normative scores (e.g., IQ) are often used to operationalize performance on standardized tests of these concepts, but it is the interval-distributed person-ability scores that are…
Descriptors: Cognitive Tests, Intelligence Tests, Cognitive Ability, Intellectual Disability
Sally B. Shepley; Amy D. Spriggs; Mark Samudre; Kai M. O'Neill – Focus on Autism and Other Developmental Disabilities, 2025
Exercise is necessary for healthy living, yet individuals with intellectual disability (ID) remain strikingly inactive compared with nondisabled peers. To improve this outcome, individuals with ID can exercise independently by self-instructing. Self-instruction is considered a pivotal skill once it generalizes to untrained stimuli. This study used…
Descriptors: Students with Disabilities, Elementary School Students, Intellectual Disability, Exercise
Julie Koudys; Adrienne Perry; Carly Magnacca; Kristen McFee – Autism & Developmental Language Impairments, 2023
Background & aims: Although the Picture Exchange Communication System (PECS) has been demonstrated to be an effective intervention to teach people diagnosed with autism spectrum disorder a functional communication system, the research indicates variability in PECS outcomes across people and studies. Therefore, the purpose of the current study…
Descriptors: Augmentative and Alternative Communication, Autism Spectrum Disorders, Program Effectiveness, Children
Jeffrey Shero; Jessica Logan – Society for Research on Educational Effectiveness, 2024
Background/Context: Previous research in educational assessment has consistently emphasized the importance of reliability as a cornerstone of test quality. Traditional measures of reliability, such as test-retest and split-half reliability, offer a broad view of how internally consistent a measure is but overlook the variability in this internal…
Descriptors: Educational Assessment, Special Education, Students with Disabilities, Learning Disabilities
Valentine Perrelet; Aline Veyre; Léa Chawki; Claire Margot; Émilie Cappe – Autism: The International Journal of Research and Practice, 2025
Interventions to support mainstream schooling for autistic students involve multiple complex considerations. This systematic review, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses standards, aimed to describe inclusive education interventions, their outcomes, and the tools used to measure the outcomes. A total of…
Descriptors: Autism Spectrum Disorders, Students with Disabilities, Mainstreaming, Inclusion
Marie Antoinette Hodge; Rebecca Sutherland; Kelsie A. Boulton; Sarah Jane Baracz; Natalie Ong; Beverley Bennett; Adam J. Guastella; Natalie Silove – Autism: The International Journal of Research and Practice, 2025
Studies have shown that there are differences between the presentations of males and females diagnosed with autism. There remains a developing understanding about how the presentation of autism differs between boys (hereafter referred to as 'assigned males at birth') and girls (assigned females at birth). This study sought to investigate the…
Descriptors: Autism Spectrum Disorders, Symptoms (Individual Disorders), Children, Gender Differences
Video Prompting to Teach Robotics and Coding to Middle School Students with Autism Spectrum Disorder
Wright, John C.; Knight, Victoria F.; Barton, Erin E.; Edwards-Bowyer, Meghan – Journal of Special Education Technology, 2021
Video-based modeling is an evidence-based practice for teaching social and communication skills, functional and daily living skills, and some academic skills (i.e., math) to students with autism spectrum disorder. The efficacy of video-based modeling, however, has not yet been established for STEM skills related to science, technology, or…
Descriptors: Video Technology, Prompting, Coding, Programming
Shepley, Sally B.; Spriggs, Amy D.; Samudre, Mark D.; Sartini, Emily C. – Journal of Special Education, 2019
This study evaluated the effects of progressive time delay (PTD) to teach four elementary students with intellectual disability on how to self-instruct using a video activity schedule. A single-case multiple probe across participants design with a multiple probe across environments design for each participant was used to assess the generalization…
Descriptors: Elementary School Students, Students with Disabilities, Video Technology, Intellectual Disability
Shepley, Sally B.; Spriggs, Amy D.; Samudre, Mark; Elliot, Mary – Journal of Special Education Technology, 2018
This study used a multiple probe across participants design to (a) evaluate the use of system of least prompts to teach students to self-instruct and (b) evaluate the use of a mobile device for a video activity schedule of a functional daily living skill. In baseline, the classroom teacher asked participants to make a snack and collected…
Descriptors: Daily Living Skills, Video Technology, Middle School Students, Intellectual Disability
Sng, Cheong Ying; Carter, Mark; Stephenson, Jennifer – International Journal of Disability, Development and Education, 2022
Difficulties with social conversation can be a direct result of the social skills deficit in individuals with autism spectrum disorders (ASD). The popularity of hand-held devices and the development of commercial apps has expanded the scope of teaching social skills via this modality. This study extends an earlier pilot study in which a…
Descriptors: Autism, Pervasive Developmental Disorders, Interpersonal Competence, Skill Development
Alaghband-rad, Javad; Jamaloo, Samira; Motamed, Mahtab – International Journal of Developmental Disabilities, 2022
Autism Spectrum Disorder (ASD) is a complex heterogeneous clinical entity with many overlaps and comorbidities with other psychiatric and developmental disorders. Adults with ASD lack adequate access to facilities and supports. This article describes the clinical profile of the first 34 patients admitted to Roozbeh adult ASD clinic during a…
Descriptors: Autism Spectrum Disorders, Adults, Access to Health Care, Males
Christensen, Lisa; Baker, Bruce L. – Journal of Mental Health Research in Intellectual Disabilities, 2020
Introduction: Youth with intellectual disabilities (ID) demonstrate higher rates of disruptive behavior disorders (DBDs) than youth with typical development (TD). DBDs such as oppositional defiant disorder (ODD) predict higher rates of delinquency during adolescence. Yet, few studies have examined risk-taking and delinquency among youth with ID.…
Descriptors: Intellectual Disability, Risk, Delinquency, Behavior Disorders
Cheng, Ying-Ying; Wu, Hsin-Chi; Shih, Hsin-Yi; Yeh, Pei-Wen; Yen, Huei-Ling; Lee, Chia-Ying – Journal of Speech, Language, and Hearing Research, 2021
Purpose: This study explored the neural marker indexing deficits in discriminating lexical tone changes in Mandarin-speaking children with developmental language disorders (DLDs) using mismatch negativity, an event-related potential component for auditory change detection. Mandarin has four lexical tones characterized by a high-level tone (T1),…
Descriptors: Mandarin Chinese, Tone Languages, Language Impairments, Developmental Disabilities
Bordenave, Diane; McCune, Lorraine – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The purpose of this study was to investigate the relationship of the grunt vocalizations to cognitive and expressive language status in children with disabilities. Children with typical development produce communicative grunts at the onset of referential word production and comprehension at 14-16 months of age and continue to use this…
Descriptors: Nonverbal Communication, Communication Skills, Children, Disabilities
Beaujean, A. Alexander; Benson, Nicholas F. – Applied Measurement in Education, 2019
Charles Spearman and L. L. Thurstone were pioneers in the field of intelligence. They not only developed methods to assess and understand intelligence, but also developed theories about its structure and function. Methodologically, their approaches were not that distinct, but their theories of intelligence were philosophically very different --…
Descriptors: Psychologists, Intelligence Tests, Scores, Theories
