Convergent and Discriminant Validity of the Peabody Individual Achievement Test with Educable Mentally Retarded Children.

Ysseldyke, James E.; And Others

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Peer reviewed

ERIC Number: EJ082156

Record Type: CIJE

Publication Date: 1973

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Convergent and Discriminant Validity of the Peabody Individual Achievement Test with Educable Mentally Retarded Children

Ysseldyke, James E.; And Others

Psychology in the Schools, 10, 2, 200-204, April 73

A multitrait-multimethod matrix was used to ascertain the convergent and discriminant validity of the subtests of the Peabody Individual Achievement Test. Correlations among scores earned by educable mentally retarded children on PIAT and WRAT subtests were similar to those reported for retarded adolescents by Sitlington (1970). (Author)

Descriptors: Achievement, Achievement Tests, Educational Research, Exceptional Child Research, Individual Testing, Mental Retardation, School Psychologists, Test Validity

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