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Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
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Updated: Mar 27, 2026

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ASSESSMENT OF A PROPOSED EXPANSION OF THE COMREY PERSONALITY FACTOR SYSTEM.

K E Duffy, K Jamison, A L Comrey

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    Summary
    This summary is machine-generated.

    This study confirmed General Activity as a seventh major personality factor, expanding Comrey's established system. Thoughtfulness and Masculinity did not meet confirmation criteria for inclusion.

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    Area of Science:

    • Psychology
    • Personality Psychology
    • Psychometrics

    Background:

    • Comrey's factor analytic studies identified six major personality factors: Shyness, Dependence, Empathy, Neuroticism, Compulsion, and Hostility.
    • Further analysis of the Guilford-Zimmerman test suggested potential for three additional factors: General Activity, Thoughtfulness, and Masculinity.

    Purpose of the Study:

    • To investigate the validity of adding General Activity, Thoughtfulness, and Masculinity to Comrey's existing six-factor personality model.
    • To confirm these potential new factors using factor analytic methods.

    Main Methods:

    • An inventory measuring all nine potential personality factors was administered to 259 volunteers.
    • Factor analytic methods were employed to analyze the collected data.

    Main Results:

    • General Activity was sufficiently defined and confirmed through factor analysis.
    • The factors Thoughtfulness and Masculinity did not achieve the required level of confirmation.

    Conclusions:

    • General Activity is validated as a seventh major factor within Comrey's personality system.
    • Further research is needed to confirm Thoughtfulness and Masculinity as distinct personality factors.