Document Type

Dissertation

Publication Date

2-2008

Abstract

Working memory is a construct that has received considerable attention and undergone significant theoretical evolution in the past 35 years. Nevertheless, agreement upon a definition of the concept has not occurred. Contributing to this disagreement are the many ways the concept is operationalized, as is evidenced across various standardized tests that purport to measure working memory. The present study examined this relationship among the working memory component of popular cognitive tests, including the Wechsler Adult Intelligence Scale Third Edition, Wechsler Memory Scale -Third Edition, Stanford-Binet Intelligence Scale - Fifth Edition, and the Wide Range Assessment of Memory and Learning - Second Edition. To evaluate this, 66 normal participants were administered eight individual subtests from the four measures. Results indicated significant, yet moderate, correlations between all subtests and indexes, and repeated measures analysis of variance indicated significant differences between some subtests. Implications are discussed, including the relevance to the clinical assessment of working memory.

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