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Mattila, Marja-Leena; Jussila, Katja; Linna, Sirkka-Liisa; Kielinen, Marko; Bloigu, Risto; Kuusikko-Gauffin, Sanna; Joskitt, Leena; Ebeling, Hanna; Hurtig, Tuula; Moilanen, Irma – Journal of Autism and Developmental Disorders, 2012
We assessed the validity and determined cut-off scores for the Finnish Autism Spectrum Screening Questionnaire (ASSQ). A population sample of 8-year-old children (n = 4,408) was rated via the ASSQ by parents and/or teachers, and a subgroup of 104 children was examined via structured interview, semi-structured observation, IQ measurement, school…
Descriptors: Measures (Individuals), Autism, Observation, Structured Interviews
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Mattila, Marja-Leena; Kielinen, Marko; Linna, Sirkka-Liisa; Jussila, Katja; Ebeling, Hanna; Bloigu, Risto; Joseph, Robert M.; Moilanen, Irma – Journal of the American Academy of Child & Adolescent Psychiatry, 2011
Objective: The latest definitions of autism spectrum disorders (ASDs) were specified in "DSM-IV-TR" in 2000. "DSM-5" criteria are planned for 2013. Here, we estimated the prevalence of ASDs and autism according to "DSM-IV-TR," clarified confusion concerning diagnostic criteria, and evaluated "DSM-5" draft…
Descriptors: Observation, Incidence, Autism, Asperger Syndrome
Peer reviewed Peer reviewed
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Mattila, Marja-Leena; Kielinen, Marko; Jussila, Katja; Linna, Sirkka-Liisa; Bloigu, Risto; Ebeling, Hanna; Moilanen, Irma – Journal of the American Academy of Child & Adolescent Psychiatry, 2007
Objective: This study evaluated the diagnostic process and prevalence rates of Asperger syndrome (AS) according to the DSM-IV, ICD-10, and criteria developed by Gillberg and Gillberg and by Szatmari and colleagues and clarified confusion about AS. Method: An epidemiological study of 5,484 eight-year-old children in Finland, 4,422 (80.6%) of whom…
Descriptors: Foreign Countries, Observation, Incidence, Criteria