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Related Experiment Videos

Passages: fact or fiction?

P Braun, R Sweet

    International Journal of Aging & Human Development
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Objective methods reveal distinct age group passages, stable over time within populations but not across cultures. Developmental psychology models may need revision to account for these findings.

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    Area of Science:

    • Psychology
    • Sociology
    • Demography

    Background:

    • Traditional developmental psychology models often assume linear progression.
    • Understanding age-group boundaries is crucial for social and psychological research.
    • Previous methods for identifying age-group transitions lacked objective validation.

    Purpose of the Study:

    • To objectively identify and validate the existence of
    • passages
    • between age groups.
    • To assess the stability and cultural invariance of these age passages.
    • To evaluate existing developmental theories against empirical findings.

    Main Methods:

    • Analysis of four large-scale survey datasets using objective statistical methods.

    Related Experiment Videos

  • Identification of passages based on minimizing within-group variation and maximizing between-group variation.
  • Cross-validation of passage stability across time and cultural contexts.

    • Main Results:

    • Empirical evidence confirmed the existence of identifiable age passages across all four datasets.
    • Passages demonstrated temporal stability within a population but lacked cross-cultural similarity.
    • A seven-year time lag between surveys correlated with a seven-year shift in identified passages.

    Conclusions:

    • Age passages are identifiable and exhibit temporal progression within specific cultural contexts.
    • Current psychological developmental schemes are insufficient to explain these passage dynamics.
    • The
    • generational event
    • theory offers a more robust explanatory framework for observed age passage patterns.