When Cattell used factor analysis to reduce the number of trait-descriptive adjectives in his pool, he was combining the approaches.

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Cattell's use of factor analysis to reduce the number of trait-descriptive adjectives in his pool combined the lexical approach (using words to describe personality traits) with the statistical approach (using factor analysis to analyze patterns of correlation among the words).

When Cattell Used Factor Analysis to Reduce the Number of Trait-Descriptive