Journal
PSYCHOLOGY AND AGING
Volume 20, Issue 3, Pages 493-506Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0882-7974.20.3.493
Keywords
five-factor model; personality change; aging; longitudinal study; HLM
Categories
Funding
- Intramural NIH HHS [ZIA AG000183-23, Z99 AG999999, ZIA AG000183-22, ZIA AG000197-04, ZIA AG000197-03] Funding Source: Medline
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The authors examined age trends in the 5 factors and 30 facets assessed by the Revised NEO Personality Inventory in Baltimore Longitudinal Study of Aging data (N = 1,944; 5,027 assessments) collected between 1989 and 2004. Consistent with cross-sectional results, hierarchical linear modeling analyses showed gradual personality changes in adulthood: a decline in Neuroticism up to age 80, stability and then decline in Extraversion, decline in Openness, increase in Agreeableness, and increase in Conscientiousness up to age 70. Some facets showed different curves from the factor they define. Birth cohort effects were modest, and there were no consistent Gender X Age interactions. Significant nonnormative changes were found for all 5 factors; they were not explained by attrition but might be due to genetic factors, disease, or life experience.
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