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Related Experiment Videos

Assessing the type A behaviour pattern with the Jenkins Activity Survey.

D P Boyd, T M Begley

    The British Journal of Medical Psychology
    |June 1, 1987
    PubMed
    Summary

    The Jenkins Activity Survey (JAS) shows low reliability for measuring Type A behavior. Recommendations include revising the scoring and components of the JAS to improve its validity.

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    Area of Science:

    • Psychological assessment
    • Behavioral science

    Background:

    • The Jenkins Activity Survey (JAS) is a widely used measure of Type A behavior.
    • Controversy exists regarding the reliability and usefulness of the JAS.

    Purpose of the Study:

    • To evaluate the internal consistency and test-retest reliability of the Jenkins Activity Survey (JAS).
    • To assess the validity of the weighted scoring scheme and specific components of the JAS.

    Main Methods:

    • Statistical analysis of internal consistency (Cronbach's alpha) for the JAS Type A scale and its factors (Speed and Impatience, Job Involvement, Hard-driving Competitiveness).
    • Evaluation of test-retest reliability for the JAS Type A scale.
    • Examination of the weighted scoring scheme.

    Main Results:

    • Low internal consistency scores were found for the JAS Type A scale and its components (S, J, H).
    • The JAS Type A scale demonstrated low test-retest reliability.
    • The weighted scoring scheme of the JAS was found to be questionable.

    Conclusions:

    • The current structure and scoring of the JAS raise concerns about its reliability and validity as a measure of Type A behavior.
    • Recommendations are proposed to enhance the JAS, including eliminating the weighted scoring, removing specific factors (S, J, H), and revising individual items.

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