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Stone, Brian J.; McKellar, Nancy A. – 1991
The factor structure of a new co-normed cognitive and achievement battery for children, the Differential Ability Scales (DAS) was investigated. The DAS was factor analyzed in conjunction with the Peabody Picture Vocabulary Test-Revised (PPVT-R), and the composite score of the Iowa Test of Basic Skills (ITBS). Subjects were 56 six- to…
Descriptors: Achievement Tests, Children, Cognitive Tests, Comparative Testing