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Descriptor

Achievement	2
Achievement Tests	2
Individual Testing	2
Academic Achievement	1
Diagnostic Tests	1
Educational Research	1
Exceptional Child Research	1
Learning Disabilities	1
Measurement Techniques	1
Mental Retardation	1
School Psychologists	1
Test Validity	1
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Source

Psychology in the Schools

Author

French, Ronald W.	1
Wetter, Jack	1
Ysseldyke, James E.	1

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Education Level

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Peabody Individual…

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Comparison of the Peabody Individual Achievement Test and the Wide Range Achievement Test in a Learning Disability Clinic

Peer reviewed

Wetter, Jack; French, Ronald W. – Psychology in the Schools, 1973

Results of the present study appear to suggest that the PIAT and WRAT may be used interchangeably to assess the achievement levels of learning disabled children. (Author)

Descriptors: Academic Achievement, Achievement, Achievement Tests, Diagnostic Tests

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

Peer reviewed

Ysseldyke, James E.; And Others – Psychology in the Schools, 1973

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