The effects of scale and practice on WAIS and W-B I Test scores.

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Abstract
"This study compared the WAIS and W-B I scales with respect to score equivalence and effects of practice. The results with regard to score equivalence were as follows. An analysis of variance revealed significant differences between the two scales on Information, Comprehension, Digit Span, Block Design and Digit Symbol, as well as on the Performance and Full Scale IQs. The three verbal subtests were significantly higher on WAIS than on the corresponding W-B I subtests, while the two performance subtests and two IQ measures were significantly higher on W-B I." Other results are discussed, and the conclusion is offered that "W-B I is not a satisfactory alternate for the WAIS and that a need for an alternate form of the WAIS is indicated." (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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