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Direct linkOscar W. H. Wong; Sandra S. M. Chan; Steven W. H. Chau; Winnie C. W. Chu; Carol S. W. Ho; Stephy W. S. Ho; Se Fong Hung; Samara Hussain; Kelly Y. C. Lai; Angela M. W. Lam; Holly H. L. Lo; Karen K. Y. Ma; Suk Ling Ma; Flora Y. M. Mo; Pak Chung Sham; Caroline K. S. Shea; Suzanne H. W. So; Kelvin K. F. Tsoi; Patrick W. L. Leung – Autism: The International Journal of Research and Practice, 2025
Epidemiological studies on autism lack representation from Asia. We estimated the prevalence of autism among children and youths in Hong Kong using a two-stage approach. In addition, we evaluated the psychometric properties of the screening instrument and explored sex differences within an epidemiological context. A random school-based sample of…
Descriptors: Foreign Countries, Autism Spectrum Disorders, Epidemiology, Children
Jennifer Baumbusch; Jennifer E. V. Lloyd; Vanessa C. Fong – Autism: The International Journal of Research and Practice, 2025
Research examining the impact of gender on educational outcomes in autistic students has been sparse. To address this gap, this study investigated the educational journeys of students with autism spectrum disorder in British Columbia, Canada. We examined (1) the time it takes for students to receive an initial autism spectrum disorder designation;…
Descriptors: Foreign Countries, Autism Spectrum Disorders, Students with Disabilities, Student Experience
Karol Ann Moore – ProQuest LLC, 2022
Although changes in the identification of dyslexia have shifted in recent years, the rate of identification of dyslexia for English Learners (ELs) continues to lag behind that of monolinguals. Using a large sample of student data reported in the Public Education Information Management system (PEIMS) across two school years (2013-14 and 2019-20;…
Descriptors: Dyslexia, Disability Identification, English Language Learners, Kindergarten
Delobel-Ayoub, M.; Saemundsen, E.; Gissler, M.; Ego, A.; Moilanen, I.; Ebeling, H.; Rafnsson, V.; Klapouszczak, D.; Thorsteinsson, E.; Arnaldsdóttir, K. M.; Roge, B.; Arnaud, C.; Schendel, D. – Journal of Autism and Developmental Disorders, 2020
We estimated autism spectrum disorder (ASD) prevalence in 7-9 year-old children in 2015 using data from three nationwide health registry systems (Denmark, Finland, Iceland) and two French population-based regional registries. Prevalence ranged from 0.48% in South-East France to 3.13% in Iceland (South-West France: 0.73%, Finland: 0.77%, Denmark:…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Incidence
Download full textNtiakoh-Ayipah, Daniel; Dogbe, Joslin Alexei; Opoku, Maxwell Peprah; Twum, Frank; Owusu, Michael; Kumi, Hammond; Afari, Priscilla; Donnir, Gordon – Journal of International Special Needs Education, 2020
In recent times, international deliberations have centered on inaccessibility of essential services to persons with disabilities. These systematic discriminations have accounted for high rates of poverty and deplorable living standards among persons with disabilities. Deliberate attempts are being made to safeguard the rights and well-being of…
Descriptors: Foreign Countries, Attention Deficit Hyperactivity Disorder, Elementary School Students, Incidence
du Plessis, Alretha Margaretha; de Milander, Monique; Coetzee, Frederick Francois; Nel, Mariette – South African Journal of Childhood Education, 2020
Background: Developmental coordination disorder (DCD) affects motor skills and consequently has an impact on the performance in daily living activities of learners with this impairment. Aim: The aim of this study was to determine the prevalence of possible DCD in Grade 1 (Gr. 1) learners in a low socio-economic environment in Mangaung, South…
Descriptors: Foreign Countries, Developmental Disabilities, Child Development, Psychomotor Skills
Di Folco, Cécile; Guez, Ava; Peyre, Hugo; Ramus, Franck – Scientific Studies of Reading, 2022
The present study performed a systematic comparison of DSM-5 and ICD-11 diagnostic criteria for reading disability. We quantitatively investigated the consequences of using DSM-5 or ICD-11, and of the different ways of implementing each diagnostic criterion on the prevalence of reading disability. We did so in a representative sample of the…
Descriptors: Reading Difficulties, Disability Identification, Grade 6, Gender Differences
Özerk, Kamil – International Electronic Journal of Elementary Education, 2018
The prevalence of autism/autism spectrum disorder (ASD) has been increasing across the world. Previous studies in Norway reported, that the prevalence rate for 0-10-year-old children is 1 in 166, and in the case of 11-year-old children it is 1 in 125. Moreover, another nationwide study discovered that 1 in 192 males and 1 in 695 females between…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Incidence
McConkey, Roy – European Journal of Special Needs Education, 2020
The rise in prevalence rates of children with ASD is well documented internationally. In the United Kingdom, Northern Ireland has consistently higher rates although the reasons for this are not clear. Using data from the annual school census that is held each year in Northern Ireland, changes in the numbers and prevalence rates of pupils…
Descriptors: Incidence, Students with Disabilities, Autism, Pervasive Developmental Disorders
AL-Qadri, Abdo Hasan; Zhao, Wei – South African Journal of Education, 2021
Developmental learning difficulties are among the prevalent exceptionalities school learners have today. In this regard, identification and placement are among the facilitators of later successful intervention for these groups of learners (WestOlatunji, Shure, Pringle, Adams, Lewis & Cholewa, 2010). However, there are not enough resources such…
Descriptors: Foreign Countries, Elementary School Students, Learning Problems, Test Construction
Odegard, Timothy N.; Farris, Emily A.; Middleton, Anna E.; Oslund, Eric; Rimrodt-Frierson, Sheryl – Journal of Learning Disabilities, 2020
All but seven U.S. states have laws that govern some aspects of dyslexia screening, intervention, or teacher training in public schools. However, in the three states that mandate child-level reporting, data indicate lower than expected rates of dyslexia identification when compared with commonly accepted dyslexia prevalence rates. To better…
Descriptors: Dyslexia, Screening Tests, Disability Identification, Incidence
Interagency Autism Coordinating Committee, 2023
Each year, the Interagency Autism Coordinating Committee (IACC) releases a list of scientific advances that represent significant progress in the field of autism research. The "2021 Summary of Advances" provides short, plain language summaries of the top research breakthroughs selected by the IACC from a pool of research articles…
Descriptors: Autism Spectrum Disorders, Research, Screening Tests, Clinical Diagnosis
Interagency Autism Coordinating Committee, 2018
Each year, the Interagency Autism Coordinating Committee (IACC) releases a list of scientific advances that represent significant progress in the field. The "2017 Summary of Advances" provides short, plain language summaries of the top research breakthroughs selected by the IACC from a pool of research articles nominated by the members.…
Descriptors: Pervasive Developmental Disorders, Autism, Journal Articles, Research
Jensen, Christina Mohr; Steinhausen, Hans-Christoph; Lauritsen, Marlene Briciet – Journal of Autism and Developmental Disorders, 2014
This study investigated time trends and associated factors of incidence rates of diagnosed autism spectrum disorders (ASD) across the lifespan from 1995 to 2010, using data from the Danish Psychiatric Central Research Registry. First time diagnosis of childhood autism, atypical autism, Asperger's syndrome, or pervasive developmental…
Descriptors: Foreign Countries, Incidence, Trend Analysis, Pervasive Developmental Disorders
Interagency Autism Coordinating Committee, 2016
Each year, the Interagency Autism Coordinating Committee (IACC) releases its annual list of scientific advances that represent significant progress in the field. The 20 studies selected have given new insight into the underlying biology of autism spectrum disorder (ASD) and potential risk factors, tested approaches for improving early screening…
Descriptors: Pervasive Developmental Disorders, Autism, Incidence, At Risk Persons
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