In the domain of extraversion the longitudinal

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Unformatted text preview: o.” In general, though, the preponderance of evidence points to increasing Conscientiousness in young adulthood. In the domain of Extraversion, the longitudinal findings in adolescence and young adulthood are quite mixed. Several studies have found increases in traits related to Extraversion. For example, Stewart (1964) reported increases in dominance and decreases in introversion in a longitudinal study of college students. Holmlund (1991) found increases in dominance and decreases in succorance in a longitudinal study of females from age 15 to age 25. Similarly, Carmichael and McGue (1994) found increases in Extraversion in a study of twins from ages 16 to 35. In contrast, Viken, Rose, Kaprio, and Koskenvuo (1994) found decreases in Extraversion in young adulthood for both male and female twins. In addition, Nichols (1967) reported decreases in dominance during college. By far the most common finding is no change in positive emotion in young adulthood. For example, Nichols (1967) found no systematic change in sociability and surgency. Haan et al. (1986) reported no systematic increases or decreases in assertiveness in young adulthood. Helson and Moane (1987) reported no changes in dominance and social poise in the Mills Longitudinal study of women from ages 21 to 27. Watson and Walker (1996) found no change in positive affect in their 7-year follow-up of college students. Finally, in a longitudinal study of twins that used the MPQ, McGue et al. (1993) found no increases or decreases on measures of social potency and social closeness. Taken as 622 Robins et al. a whole, the longitudinal research to date indicates that Extraversion does not show normative change in young adulthood. With regard to Neuroticism, the results of previous studies point to either no change or a decrease. In college student populations, Nichols (1967) failed to find normative change on scales measuring anxiety and tension, and Crook (1943), in a 6-year follow-up of college freshman, failed to find changes on the Thurstone Personality Schedule, a measure tapping aspects of neuroticism. Several studies have also failed to find changes in young adulthood for measures of dispositional...
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This note was uploaded on 12/02/2010 for the course PSYCH PSY BEH P2 taught by Professor Susanturkcharles during the Fall '10 term at UC Irvine.

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