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Peer reviewedNaglieri, Jack A.; Pfeiffer, Steven I. – Journal of Clinical Psychology, 1983
Explored the relationship between the Peabody Picture Vocabulary Test-Revised (PPVT-R) and the Peabody Individual Achievement Test (PIAT) administered to a sample of 29 mentally retarded children. Findings indicated that the PPVT-R predicted achievement as measured by the PIAT only moderately; and that PPVT-R scores correlated with achievement…
Descriptors: Achievement Tests, Children, Comparative Testing, Mental Retardation
