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Marianne Berg Halvorsen; Arvid Nikolai Kildahl; Sabine Kaiser; Brynhildur Axelsdottir; Michael G. Aman; Sissel Berge Helverschou – Journal of Autism and Developmental Disorders, 2025
In recent years, there has been a proliferation of instruments for assessing mental health (MH) among autistic people. This study aimed to review the psychometric properties of broadband instruments used to assess MH problems among autistic people. In accordance with the PRISMA guidelines (PROSPERO: CRD42022316571) we searched the APA PsycINFO via…
Descriptors: Psychometrics, Mental Health, Clinical Diagnosis, Evaluation Methods
Helverschou, Sissel Berge; Ludvigsen, Linn Beate; Hove, Oddbjørn; Kildahl, Arvid Nikolai – International Journal of Developmental Disabilities, 2021
Psychiatric disorders in individuals with co-occurring autism spectrum disorders (ASD) and intellectual disability (ID) are common, but diagnosis presents many challenges. The Psychopathology in Autism checklist (PAC) is among the very few instruments specifically developed for this group of individuals. The psychometric properties of the PAC…
Descriptors: Mental Disorders, Psychometrics, Autism, Pervasive Developmental Disorders
Mazurek, Micah O.; Lu, Frances; Macklin, Eric A.; Handen, Benjamin L. – Autism: The International Journal of Research and Practice, 2019
The newest edition of the "Diagnostic and Statistical Manual of Mental Disorders" (5th ed., DSM-5) introduced substantial changes to the diagnostic criteria for autism spectrum disorder, including new severity level ratings for social communication and restricted and repetitive behavior domains. The purpose of this study was to evaluate…
Descriptors: Severity (of Disability), Autism, Pervasive Developmental Disorders, Clinical Diagnosis
Walton, Catherine; Kerr, Mike – Journal of Applied Research in Intellectual Disabilities, 2016
Background: The diagnosis of depression in severe and profound intellectual disability is challenging. Without adequate skills in verbal self-expression, standardized diagnostic criteria cannot be used with confidence. The purpose of this systematic review was to investigate the assessment and diagnosis of unipolar depression in severe and…
Descriptors: Severe Intellectual Disability, Incidence, Depression (Psychology), Clinical Diagnosis
Walley, R. M.; Donaldson, M. D. C. – Journal of Intellectual Disability Research, 2005
Background: PraderWilli syndrome (PWS) is a genetic disorder caused by the absence of expression of maternally imprinted genes on the long arm of chromosome 15 (15q 11-13). There are two main genetic sub-types: (1) deletion, caused by the absence of paternally derived genetic material; and (2) uniparental disomy (UPD), where two copies of…
Descriptors: Memory, Health Services, Clinical Diagnosis, Verbal Ability