Psychological bulletin
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Psychological bulletin · Jan 2006
CommentPersonality traits change in adulthood: reply to Costa and McCrae (2006).
In a response to comments by P. T. Costa, Jr., and R. ⋯ The authors provide direct evidence refuting the hypothesis that personality traits change only because of biologically based intrinsic maturation. The authors present arguments supporting the contention that meta-analyses should be preferred to single longitudinal studies when drawing inferences about general patterns of personality development. Finally, the authors point out why the differences between their position and Costa and McCrae's are important.
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Psychological bulletin · Jan 2006
CommentAge changes in personality and their origins: comment on Roberts, Walton, and Viechtbauer (2006).
Comments on the original article "Patterns of Mean-Level Change in Personality Traits Across the Life Course: A Meta-Analysis of Longitudinal Studies," by B. W. Roberts, K. ⋯ Roberts et al that analyses should be conducted at the level of more specific traits, but prefer the 30 facets of the Revised NEO Personality Inventory to the Social Dominance-Social Vitality distinction. The origins of age changes might be found either in environmental influences common to all cultures or in biologically based intrinsic maturation; we offer some reasons for preferring the latter interpretation. Meta-analyses are useful but not definitive, and the resolution of the origin question lies in further research.