11. Eysenck compared levels of arousal to a scale of introversion versus extraversion . 12. Extraversion is another good predictor of music genre preference and music use.13. Cultures high in extraversion predict a high rate of individualism. 14. For example, extraversion is often associated with physical attractiveness. 15. Extraversion means outward-turning and introversion means inward-turning.16. The functions are modified by two main attitude types : extraversion and introversion. 17. Harm avoidance is strongly positively associated with neuroticism and inversely associated with extraversion . 18. Graphologists assessment of extraversion compared with assessment by means of a psychological test. 19. Therefore, consensus tends to be higher for extraversion . 20. The four functions operate in conjunction with the attitudes ( extraversion and introversion ).