Concurrent Validity and Classification Accuracy of the Leiter and Leiter-R in Low Functioning Children with Autism

The concurrent validity of the original and revised versions of the Leiter International Performance Scale was examined with 26 children (ages 4-16) with autism. Although the correlation between the two tests was high (.87), there were significant intra-individual discrepancies present in 10 cases,...

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Bibliographic Details
Published in:Journal of autism and developmental disorders 2003-02, Vol.33 (1), p.23-30
Main Authors: Tsatsanis, Katherine D, Dartnall, Nancy, Cicchetti, Domenic, Sparrow, Sara S, Klin, Ami, Volkmar, Fred R
Format: Article
Language:English
Subjects:
Ability Identification
Adolescent
Adolescents
Attention Deficit Hyperactivity Disorder
Autism
Autism Spectrum Disorders
Autistic children
Autistic Disorder - diagnosis
Biological and medical sciences
Child
Child clinical studies
Child, Preschool
Children
Clinical Diagnosis
Cognition Disorders - diagnosis
Cognitive Ability
Comparative Analysis
Concurrent Validity
Departments
Developmental disorders
Diagnostic Tests
Elementary Secondary Education
Female
Hawaiians
Humans
Independent Study
Individual Testing
Infantile autism
Intelligence
Intelligence tests
Leiter International Performance Scale
Male
Measures (Individuals)
Medical sciences
Nonverbal Ability
Nonverbal Communication
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychopathology. Psychiatry
Rating Scales
Reproducibility of Results
Surveys and Questionnaires
Test Validity
Validity
Visualization
Citations: Items that cite this one
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Description
Summary:The concurrent validity of the original and revised versions of the Leiter International Performance Scale was examined with 26 children (ages 4-16) with autism. Although the correlation between the two tests was high (.87), there were significant intra-individual discrepancies present in 10 cases, two of which were both large and clinically meaningful. Implications for assessment are drawn. (Contains references.) (DB)
ISSN:0162-3257
1573-3432
DOI:10.1023/A:1022274219808