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Related Experiment Videos

Psychophysiology of type A behavior pattern: a critical analysis.

M Myrtek, M W Greenlee

    Journal of Psychosomatic Research
    |January 1, 1984
    PubMed
    Summary

    This study found no significant physiological differences between Type A and Type B behavior, questioning the validity of common assessment methods like the Structured Interview and Jenkins Activity Survey.

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    Area of Science:

    • Psychophysiology
    • Behavioral Science
    • Cardiovascular Research

    Background:

    • Type A behavior is hypothesized to have distinct physiological underpinnings.
    • Previous research has utilized methods like the Structured Interview (SI) and Jenkins Activity Survey (JAS) to classify behavior types.
    • The reliability and validity of these assessment tools require further investigation.

    Purpose of the Study:

    • To test the hypothesized physiological mechanisms associated with Type A behavior.
    • To evaluate the effectiveness of the Structured Interview (SI) and Jenkins Activity Survey (JAS) in identifying behavior types.
    • To examine physiological responses across various stress-inducing conditions in relation to behavior type.

    Main Methods:

    • Analysis of 45 existing studies and a psychophysiological investigation.
    • Classification of 58 physical-education students into Type A and Type B using SI and JAS.
    • Measurement of multiple physiological parameters (e.g., blood pressure, heart rate, catecholamines) during rest and seven challenging tasks.

    Main Results:

    • Literature analysis revealed predominantly non-significant mean differences in physiological measures between Type A and Type B men.
    • The Structured Interview (SI) demonstrated modest inter-rater reliability, while the Jenkins Activity Survey (JAS) showed low test-retest stability and internal consistency.
    • No consistent physiological differences were observed between behavior types in the experimental subjects, even under challenging conditions.

    Conclusions:

    • Current methods for assessing Type A behavior (SI and JAS) exhibit limitations in reliability and validity.
    • The study did not find evidence supporting distinct physiological mechanisms differentiating Type A and Type B individuals.
    • Further research is needed to refine behavioral assessment tools and explore the physiological correlates of behavior patterns.

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