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Related Experiment Videos

Age differences in personality structure: a cluster analytic approach

P T Costa, R R McCrae

    Journal of Gerontology
    |September 1, 1976
    PubMed
    Summary
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    Personality structure remains stable across adulthood, with key differences emerging in openness to experience. Young adults favor feelings, middle-aged adults favor ideas, and older adults balance both, suggesting developmental shifts in personality.

    Area of Science:

    • Psychology
    • Personality Psychology
    • Developmental Psychology

    Background:

    • Understanding personality structure and its stability across the lifespan is crucial in psychology.
    • Previous research has explored personality traits but often with less focus on age-related structural changes.

    Purpose of the Study:

    • To investigate age-related differences in the structure of personality using cluster analysis.
    • To examine the stability of personality dimensions across different adult age groups.

    Main Methods:

    • A cluster analytic approach was applied to data from 969 adult male volunteers.
    • Participants were grouped by age (25-34, 35-54, 55-82) and analyzed using the Cattell Sixteen Personality Factor Questionnaire.

    Main Results:

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    • Two personality dimensions, Anxiety-Adjustment and Introversion-Extraversion, demonstrated cross-sectional stability across age groups.
    • A third dimension, openness to experience, exhibited significant age-related differences: young adults showed openness to feelings, middle-aged adults to ideas, and older adults to both.

    Conclusions:

    • While core personality dimensions are stable, openness to experience evolves with age.
    • These findings align with developmental theories, such as Jung's concepts of psychological functions, offering insights into personality maturation.