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Peer reviewedFraboni, Maryann; Saltstone, Robert – Educational and Psychological Measurement, 1992
Six hierarchical clustering methods were applied to subtest intercorrelations for each of the nine age groups in the Wechsler Adult Intelligence Scale-Revised (WAIS-R) standardization sample. Results point to the possibility of three simultaneously plausible solutions as they support each of the traditional factor structures in varying degrees.…
Descriptors: Age Differences, Cluster Analysis, Construct Validity, Factor Structure
