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Posserud, Britt; Lundervold, Astri J.; Steijnen, Maaike C.; Verhoeven, Sophie; Stormark, Kjell Morten; Gillberg, Christopher – Autism: The International Journal of Research and Practice, 2008
The present study investigated the factor structure of parent and teacher Autism Spectrum Screening Questionnaire (ASSQ) in a population of 7-9 years old children. For validation purposes, factors derived were correlated with results on the Strengths and Difficulties Questionnaire (SDQ). A three-factor solution was identified on both parent and…
Descriptors: Cognitive Style, Autism, Asperger Syndrome, Factor Structure
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Leekam, Susan; Libby, Sarah; Wing, Lorna; Gould, Judith; Gillberg, Christopher – Autism: The International Journal of Research and Practice, 2000
This study compared the ICD-10 criteria for Asperger syndrome with those suggested by Gillberg with 200 children and adults who met ICD-10 criteria for autism. Comparison indicated only three subjects met ICD-10 criteria for Asperger syndrome whereas 91 met Gillberg's criteria. The discrepancy appeared due to the specific "normal development"…
Descriptors: Adults, Asperger Syndrome, Children, Classification
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Gillberg, Christopher; Gillberg, Carina; Rastam, Maria; Wentz, Elisabeth – Autism: The International Journal of Research and Practice, 2001
The development of the Asperger Syndrome (and high-functioning autism) Diagnostic Interview (ASDI) is described. Preliminary data from a clinical study of 20 individuals (ages 6-55) suggest that interrater reliability and test-retest stability may be excellent, with kappas exceeding 0.90 in both instances. The validity appears to be relatively…
Descriptors: Adults, Asperger Syndrome, Autism, Children