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Autor/inn/en | Allison, Carrie; Williams, Jo; Scott, Fiona; Stott, Carol; Bolton, Patrick; Baron-Cohen, Simon; Brayne, Carol |
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Titel | The Childhood Asperger Syndrome Test (CAST): Test-Retest Reliability in a High Scoring Sample |
Quelle | In: Autism: The International Journal of Research & Practice, 11 (2007) 2, S.173-185 (13 Seiten)
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
ISSN | 1362-3613 |
DOI | 10.1177/1362361307075710 |
Schlagwörter | Scoring; Screening Tests; Children; Asperger Syndrome; Autism; Test Reliability; Questionnaires; Pervasive Developmental Disorders; Epidemiology; Elementary School Students; Inclusive Schools; Correlation; Scores; Foreign Countries; United Kingdom |
Abstract | The Childhood Asperger Syndrome Test (CAST) is a 37-item parental self-completion questionnaire designed to screen for high-functioning autism spectrum conditions in epidemiological research. The CAST has previously demonstrated good accuracy for use as a screening test, with high sensitivity in studies with primary school aged children in mainstream schools. This study aimed to investigate test-retest reliability of the CAST in a high scoring sample. To this end, 73 parents filled in the second CAST (CAST-2) within approximately 2 months of the first administration of the CAST (CAST-1). Agreement above and below the cut-point of 15 was investigated. The kappa statistic for agreement (less than 15 versus greater than or equal to 15) was 0.41. It was found that 70 percent (95% CI: 58, 80) of children did not move across the cut-point of 15. The correlation between the two test scores was 0.67 (Spearman's rho). The CAST shows moderate test-retest reliability in a high scoring sample, further evidence that it is a relatively robust screening tool for epidemiological research. (Contains 4 tables, 2 figures and 2 notes.) (Author). |
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Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2017/4/10 |