Autism screening questionnaire: Diagnostic validity

Good interview and diagnostic measures for autism and other pervasive developmental disorders (PDDs) are available but there is a lack of a good screening questionnaire. To develop and test a screening questionnaire based on items in the best available diagnostic interview--the Autism Diagnostic Int...

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Bibliographic Details
Published in:British journal of psychiatry 1999-11, Vol.175 (5), p.444-451
Main Authors: Berument, Sibel Kazak, Rutter, Michael, Lord, Catherine, Pickles, Andrew, Bailey, Anthony
Format: Article
Language:English
Subjects:
Adolescent
Adult
Asperger Syndrome - diagnosis
Autism
Autistic Disorder - diagnosis
Child
Child, Preschool
Clinical assessment
Conduct Disorder - diagnosis
Developmental disabilities
Developmental disorders
Diagnosis, Differential
Differentiation
Fragile X Syndrome - diagnosis
Humans
Intellectual Disability - diagnosis
Intelligence tests
Interviews
Language Development Disorders - diagnosis
Mass Screening - methods
Medical screening
Neurodevelopmental disorders
Pervasive developmental disorders
Questionnaires
Rett Syndrome - diagnosis
Sensitivity and Specificity
Surveys and Questionnaires
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Description
Summary:Good interview and diagnostic measures for autism and other pervasive developmental disorders (PDDs) are available but there is a lack of a good screening questionnaire. To develop and test a screening questionnaire based on items in the best available diagnostic interview--the Autism Diagnostic Interview--Revised (ADI-R). A 40-item scale, the Autism Screening Questionnaire (ASQ), was developed and tested on a sample of 160 individuals with PDD and 40 with non-PDD diagnoses. The ASQ has good discriminative validity with respect to the separation of PDD from non-PDD diagnoses at all IQ levels, with a cut-off of 15 proving most effective. The differentiation between autism and other varieties of PDD was weaker. The ASQ is an effective screening questionnaire for PDD.
ISSN:0007-1250
1472-1465
DOI:10.1192/bjp.175.5.444