AbstractFactor analytic examination of a 166 × 166 intercorrelational matrix that represents individual item scores from the 11 subtests of the WAIS‐R provided evidence of five interpretable factors (N= 409). Two of these were identified as the Verbal and Performance factors previously encountered in traditional WAIS‐R subtest‐based factor analyses (Beck, Horwitz, Seidenberg, Parker,Frank, 1985). The other three factors were characterized readily as involving (1) Advanced Vocabulary skills; (2) Basic Responsivity and (3) Advanced Computational ability. All three of these “new” factors accounted for at least 10 of the total variance, and comments are made with regard to the possible significance of their discovery to such topics as subtest variation and profile psychodiagnostics, theories that pertain to the nature and structure of human intellectual functioning, and subtest‐based personality measurem
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