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Five groups of 19 subjects made ratings on 11 personality trait scales of overlapping subsets of 59 artificial stimulus persons who were described by one to five personality trait adjectives. The data were analyzed per group of subjects (blockwise) and per type of stimulus person (questionnaire-wise) by means of three-mode principal component analyses. This yielded highly similar structures for the scales, and in the blockwise analyses, for the stimulus persons. This similarity was substantiated by external three-mode analyses, which showed that all stimulus persons can be mapped into one overall configuration. In all analyses it was found that differences between subjects consisted of differences in extremity of judgment, which suggests the operation of response style. [ABSTRACT FROM AUTHOR]

Data produced by 60 subjects rating 31 artificial persons on 11 personality trait scales were analyzed by three-mode principal component analysis. The subjects shared a circular configuration of stimuli and scales. Individuals tended to depart from this pattern in extremity of judgement rather than configuration, suggesting the operation of a response style. The advantages of including "artificial subjects," and of partitioning the residual sums of squares are discussed. [ABSTRACT FROM AUTHOR]