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Impression management and testing for control locus in an alcoholic sample.

R M Costello, K A Wicoff

    The International Journal of the Addictions
    |February 1, 1984
    PubMed
    Summary
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    Alcoholics scoring as internal on the I-E Scale shifted to external locus of control using a projective measure. This suggests alcoholics may use impression management on questionnaires, impacting locus of control assessments.

    Area of Science:

    • Psychology
    • Clinical Psychology
    • Personality Psychology

    Background:

    • The Locus of Control (LOC) construct is crucial in understanding behavior.
    • Debate exists regarding alcoholics' LOC scores on Rotter's I-E Scale.
    • Potential for impression management in self-report measures for alcoholics.

    Purpose of the Study:

    • To investigate if alcoholics employ impression management on locus of control questionnaires.
    • To compare LOC scores derived from a questionnaire versus a projective measure.
    • To explore the validity of projective techniques for assessing personality variables in alcoholic populations.

    Main Methods:

    • A pilot study utilizing a multivariate storytelling measure, Thematic Locus of Control (TLC).
    • Comparison of scores between Rotter's I-E Scale and the TLC measure in 30 alcoholic subjects.

    Related Experiment Videos

  • Spearman's rank-order correlation coefficient (rho) was calculated to assess the relationship between the two measures.
  • Main Results:

    • Alcoholic subjects scoring as internal on the I-E Scale showed a shift towards an external score on the TLC measure.
    • A significant positive correlation (Spearman's rho = .47, p < .001) was found between the I-E Scale and TLC.
    • Six subjects displayed markedly incongruent scores; three internal I-E scorers became extreme external TLC scorers.

    Conclusions:

    • Projective measures like TLC may offer a more accurate assessment of locus of control in alcoholics compared to self-report questionnaires.
    • Findings support the hypothesis that alcoholics may engage in impression management, influencing questionnaire-based LOC assessments.
    • Further research is warranted to explore the nuances of personality assessment in clinical populations using diverse methodologies.