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Backer van Ommeren, Tineke; Koot, Hans M.; Scheeren, Anke M.; Begeer, Sander – Journal of Autism and Developmental Disorders, 2015
Poor reciprocity is a defining feature of an autism spectrum disorder (ASD). In the current study, we examined the reliability and validity of the Interactive Drawing Test (IDT), a new instrument to assess reciprocal behavior. The IDT was administered to children and adolescents with ASD (n = 131) and to a typically developing group (n = 62). The…
Descriptors: Pervasive Developmental Disorders, Autism, Behavior Rating Scales, Children
Lampi, Katja M.; Hinkka-Yli-Salomäki, Susanna; Lehti, Venla; Helenius, Hans; Gissler, Mika; Brown, Alan S.; Sourander, Andre – Journal of Autism and Developmental Disorders, 2013
Aim of the study was to examine the associations between parental age and autism spectrum disorders (ASD). Data were based on the FIPS-A (Finnish Prenatal Study of Autism and Autism Spectrum Disorders), a case-control study with a total of 4,713 cases with childhood autism (n = 1,132), Asperger's syndrome (n = 1,785) or other pervasive…
Descriptors: Foreign Countries, Cohort Analysis, Risk, Autism