n. the earliest version of several self-report inventories used to study personality traits through factor analysis. First developed by British-American psychologist Raymond Cattell, the 16 Personality Factor Questionnaire basically assessed underlying source traits which ultimately led to surface behaviors or, otherwise, personality.
CATTELL INVENTORY: “A personality test yielding 16 scores in all, the Cattell Inventory reveals personality dimensions like outgoing versus reserved in warmth, or self-sufficient versus dependent under self-reliance.”