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Showing 1 to 15 of 25 results Save | Export
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Georgan, Wendy C.; Archibald, Lisa M. D.; Hogan, Tiffany P. – Journal of Speech, Language, and Hearing Research, 2023
Purpose: Developmental language disorder (DLD) is a lifelong condition that when impacting educational performance is identified and serviced through U.S. schools as outlined in the Individuals with Disabilities Education Act. A few examples of educational categories that refer to DLD are (a) speech or language impairment (S/LI) and (b) specific…
Descriptors: Speech Impairments, Language Impairments, Developmental Disabilities, Learning Disabilities
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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
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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
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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
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Barton, Erin E.; Harris, Bryn; Leech, Nancy; Stiff, Lillian; Choi, Gounah; Joel, Tiffany – Journal of Autism and Developmental Disorders, 2016
States differ in the procedures and criteria used to identify ASD. These differences are likely to impact the prevalence and age of identification for children with ASD. The purpose of the current study was to examine the specific state variations in ASD identification and eligibility criteria requirements. We examined variations by state in…
Descriptors: Autism, State Policy, Educational Diagnosis, Disability Identification
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Töro, Krisztina Tárnokiné; Miklósi, Mónika; Horanyi, Eszter; Kovács, Gábor Pers; Balázs, Judit – Journal of Learning Disabilities, 2018
Several studies have reported high comorbidity for reading disability (RD) and psychiatric disorders. The aim of this study was to investigate the comorbidity of subthreshold and full psychiatric disorders with RD while comparing subgroups based on age of RD recognition (early vs. late). We analyzed data from 130 children with RD and 82 typically…
Descriptors: Reading Difficulties, Mental Disorders, Learning Disabilities, Age Differences
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Ouellette-Kuntz, Hélène; Coo, Helen; Lam, Miu; Breitenbach, Marlene M.; Hennessey, Paula E.; Jackman, Paulette D.; Lewis, M. E. Suzanne; Dewey, Deborah; Bernier, François P.; Chung, Amy M. – Journal of Autism and Developmental Disorders, 2014
In 2002/2003, the National Epidemiologic Database for the Study of Autism in Canada started capturing information on children diagnosed with autism in different regions of the country. Based on data collected through 2008 in Newfoundland and Labrador and 2010 in Prince Edward Island and Southeastern Ontario, the estimated average annual percent…
Descriptors: Foreign Countries, Autism, Children, Epidemiology
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Swanson, H. Lee – Topics in Language Disorders, 2017
The purpose of this cohort sequential study was to extend previously reported latent transition analyses conducted by Swanson, Kudo, and Guzman-Orth (2016) by determining the role of cognitive measures in identifying English learners (EL) at risk for late emerging reading disabilities (LERD). To this end, EL students (N = 450) in Grades 1, 2, and…
Descriptors: English Language Learners, At Risk Students, Reading Difficulties, Learning Disabilities
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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
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Windham, Gayle C.; Anderson, Meredith C.; Croen, Lisa A.; Smith, Karen S.; Collins, John; Grether, Judith K. – Journal of Autism and Developmental Disorders, 2011
Using standardized methods for multi-source surveillance, we calculated the prevalence of autism spectrum disorders (ASD) among children born in a racially diverse region in 1994 or 1996 as 4.7/1000 live births. Children with ASD before age 9 were identified through chart abstraction at health-related sources; three-quarters were being served by…
Descriptors: Mothers, Incidence, Autism, Pervasive Developmental Disorders
Centers for Disease Control and Prevention, 2012
The Centers for Disease Control and Prevention (CDC) estimates that about 1 in 88 children has been identified with an autism spectrum disorder (ASD). CDC's estimate comes from the Autism and Developmental Disabilities Monitoring (ADDM) Network, which monitors the number of 8-year-old children with ASDs living in diverse communities throughout the…
Descriptors: Incidence, Autism, Developmental Disabilities, Pervasive Developmental Disorders
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Leonard, Helen; Dixon, Glenys; Whitehouse, Andrew J. O.; Bourke, Jenny; Aiberti, Karina; Nassar, Natasha; Bower, Carol; Glasson, Emma J. – Research in Autism Spectrum Disorders, 2010
The etiology of autism spectrum disorders is unknown but there are claims of increasing prevalence in many countries. Despite more than a decade of epidemiological investigation, it is still unclear whether the rising trend in prevalence reflects a true increase or changes in diagnostic trends and improvements in case ascertainment. This paper…
Descriptors: Incidence, Autism, Disability Identification, Epidemiology
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Lin, Jin-Ding; Yen, Chia-Feng; Wu, Jia-Ling; Kang, Shih-Wan – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
This paper was a population study with developmental delays and it included an examination of the trends the overtime change trend and reported channels of this group of people in Taiwan. We analyzed data for the present study mainly from the Department of Statistics, Ministry of the Interiors, Taipei, Taiwan: "Number of early intervention…
Descriptors: Medical Services, Early Intervention, Foreign Countries, Developmental Delays
Interagency Autism Coordinating Committee, 2009
Each year the members of the Interagency Autism Coordinating Committee identify recent research findings that made the most impact on the field. For the 2009 Summary of Advances, the IACC selected and summarized 20 studies that gave significant insight into the prevalence of autism spectrum disorder (ASD), the biology of the disorder, potential…
Descriptors: Autism, Pervasive Developmental Disorders, Research, Incidence
Rice, Catherine – Centers for Disease Control and Prevention, 2009
Problem/Condition: Autism spectrum disorders (ASDs) are a group of developmental disabilities characterized by atypical development in socialization, communication, and behavior. ASDs typically are apparent before age 3 years, with associated impairments affecting multiple areas of a person's life. Because no biologic marker exists for ASDs,…
Descriptors: Age Differences, Gender Differences, Incidence, Autism
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