Sixteen Personality Factor Questionnaire

n. (16PF) A self-report personality inventory designed by Catell with 16 scales derived from factor analytic studies finding five main personality factors and 16 facets of the factors. The five main factors are extroversion, independence, tough-mindedness, anxiety, and self-control; the 16 factors are warmth, vigilance, reasoning, abstractedness, emotional stability, privateness, dominance, apprehension, liveliness, openness to change, ruleconsciousness, self-reliance, social boldness, perfectionism, sensitivity, and tension. There are also three validity scales: impression management, infrequency, and acquiescence. Also called the 16 Personality Factor Inventory.