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Extraversion and variety-seeking in a monotonous task.

A B Hill

    British Journal of Psychology (London, England : 1953)
    |February 1, 1975
    PubMed
    Summary
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    Extraverts, unlike introverts, introduce more performance variety in monotonous tasks. This finding supports Eysenck's theory linking extraversion differences to arousal levels.

    Area of Science:

    • Psychology
    • Behavioral Science

    Background:

    • Eysenck's theory of extraversion suggests differences in arousal levels between extraverts and introverts.
    • Individual differences in personality traits may influence performance on repetitive tasks.

    Purpose of the Study:

    • To investigate whether extraverts exhibit greater response variety than introverts during a monotonous task.
    • To test Eysenck's hypothesis concerning extraversion and performance variation.

    Main Methods:

    • Compared the performance of 16 extraverts and 16 introverts on a simple repetitive task.
    • Measured response variety using two methods: response alternations and information theory's average entropy.

    Main Results:

    • Extraverts demonstrated significantly more variety in their performance compared to introverts on both measures.

    Related Experiment Videos

  • The hypothesis was supported by statistically significant differences in response variety.

    • Conclusions:

    • The findings provide empirical support for Eysenck's theory of extraversion.
    • Differences in arousal levels likely underlie the observed variations in performance variety between extraverts and introverts.