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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
Stone, Mark – 1990
A factor analysis study was conducted of the Wide Range Assessment of Memory and Learning (WRAML), a test developed from a test structure model of memory and learning. The battery is composed of nine subtests (three verbal, three visual, and three learning subsets). The sample consisted of 903 students aged 5 years through 8 years 11 months, and…
Descriptors: Adolescents, Children, Cognitive Tests, Comparative Testing