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Related Experiment Videos

A symptom questionnaire.

R Kellner

    The Journal of Clinical Psychiatry
    |July 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    The Symptom Questionnaire (SQ) is a validated tool for measuring distress and hostility. Its sensitive scales offer advantages in clinical research, especially with smaller samples or participants with limited verbal skills.

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    Area of Science:

    • Psychometrics
    • Clinical Psychology
    • Psychiatry

    Background:

    • The Symptom Questionnaire (SQ) is a validated yes/no questionnaire.
    • It assesses depression, anxiety, anger-hostility, and somatic symptoms.
    • Developed for enhanced sensitivity in clinical research.

    Purpose of the Study:

    • To evaluate the psychometric properties and clinical utility of the Symptom Questionnaire (SQ).
    • To highlight the SQ's advantages in specific research contexts.

    Main Methods:

    • Extensive validation of the SQ scales.
    • Comparison with similar scales in double-blind, crossover studies.
    • Assessment of sensitivity in discriminating drug effects and group distress levels.

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    Main Results:

    • The SQ scales demonstrated higher sensitivity than other scales in discriminating between psychotropic drug and placebo effects.
    • The SQ showed high sensitivity in differentiating distress levels between groups.
    • Advantages were noted in small/moderate samples and populations with poor verbal skills.

    Conclusions:

    • The Symptom Questionnaire (SQ) is a sensitive and validated instrument for measuring psychological distress and hostility.
    • It is suitable for clinical research, particularly in studies requiring high sensitivity or involving specific populations.
    • The SQ serves as a valuable research tool and clinical checklist.