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The aggression response and the Rorschach.

J R Meloy1, C B Gacono

  • 1San Diego County Forensic Mental Health Division, CA.

Journal of Clinical Psychology
|January 1, 1992
PubMed
Summary
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This study introduces four new Rorschach aggression scores. The sado-masochism score differentiated severe from moderate psychopaths, highlighting potential for clinical insights.

Area of Science:

  • Psychological Assessment
  • Forensic Psychology
  • Psychodynamic Theory

Background:

  • The Rorschach inkblot test is a projective psychological assessment.
  • Existing Rorschach scoring systems may benefit from enhanced measures of aggression.
  • Understanding aggression is crucial in clinical and forensic evaluations.

Purpose of the Study:

  • To introduce and validate four novel Rorschach aggression indices: aggressive content, aggressive potential, aggressive past, and sado-masochism.
  • To assess the interrater reliability of these new indices.
  • To explore the utility of these indices in nomothetic (group) and idiographic (individual) comparisons, particularly concerning psychopathy and violence.

Main Methods:

  • Development and application of four new Rorschach scoring indices.

Related Experiment Videos

  • Calculation of interrater agreement for the new indices.
  • Nomothetic comparisons between groups with varying violence risk, including severe and moderate psychopaths.

    • Main Results:

    • High interrater agreement (92-100%) was achieved for all proposed aggression indices.
    • Nomothetic comparisons yielded mixed results regarding violence risk groups.
    • The sado-masochism score was significantly higher in severe psychopaths compared to moderate psychopaths.

    Conclusions:

    • The proposed Rorschach aggression indices demonstrate strong interrater reliability.
    • The sado-masochism index shows potential for differentiating levels of psychopathy.
    • Idiographic application is emphasized for detailed analysis of intrapsychic aggression, quality, intensity, and directionality in relation to self and object representations.