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Pillay, Sarosha; Duncan, Madeleine; de Vries, Petrus J. – Autism: The International Journal of Research and Practice, 2021
The prevalence of autism spectrum disorder in South Africa is unknown and, to date, very little research has been performed within school systems that could inform the rates, distribution and profile of needs of children with autism spectrum disorder in education. We performed a comprehensive database search of all children with autism spectrum…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Incidence
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Lundgren, Tobias; Luoma, Jason B.; Dahl, JoAnne; Strosahl, Kirk; Melin, Lennart – Cognitive and Behavioral Practice, 2012
Two studies were conducted to develop and evaluate an instrument intended to identify and measure personal values, values attainment, and persistence in the face of barriers. Study 1 describes a content validity approach to the construction and preliminary validation of the Bull's Eye Values Survey (BEVS), using a sample of institutionalized…
Descriptors: Psychometrics, Identification, Measures (Individuals), Investigations
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Saemundsen, Evald; Juliusson, H.; Hjaltested, S.; Gunnarsdottir, T.; Halldorsdottir, T.; Hreidarsson, S.; Magnusson, P. – Journal of Intellectual Disability Research, 2010
Background: Research on the prevalence of autism in Iceland has indicated that one possible explanation of fewer autism cases in older age groups was due to an underestimation of autism in individuals with intellectual disabilities (IDs). The present study systematically searched for autism cases in the adult population of individuals with severe…
Descriptors: Incidence, Mental Retardation, Autism, Rating Scales
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Williams, Emma; Thomas, Kate; Sidebotham, Helen; Emond, Alan – Developmental Medicine & Child Neurology, 2008
The aim of this study was to determine the prevalence of autistic spectrum disorder (ASD) within a large representative population sample: the Avon Longitudinal Study of Parents and Children (ALSPAC). Cases of ASD were identified from the clinical notes of children in the ALSPAC with a suspected developmental disorder and from the Pupil Level…
Descriptors: Age, Incidence, Autism, Asperger Syndrome
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Malhotra, Savita; Biswas, Parthasarathy; Sharan, Pratap; Grover, Sandeep – Journal of Indian Association for Child and Adolescent Mental Health, 2007
Aim: To study the sociodemographic and clinical profile of patients, who presented to the child and adolescent psychiatric services of a tertiary care centre over a 26-year period (1980-2005). Methodology: Data were abstracted retrospectively from detailed work up files of all subjects assessed in the Child and Adolescent Psychiatry (CAP) Clinic…
Descriptors: Psychiatric Services, Age, Epilepsy, Mental Retardation