Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Jauk, E; Olaru, G; Schürch, E; Back, MD; Morf, CC.
Validation of the German Five-Factor Narcissism Inventory and Construction of a Brief Form Using Ant Colony Optimization.
Assessment. 2022; 10731911221075761 Doi: 10.1177/10731911221075761 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz: Jauk Emanuel
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Abstract:: Narcissism is a multifaceted construct commonly conceptualized as comprising grandiose and vulnerable aspects in a two-factor model. While the manifold correlates of these aspects imposed a challenge for research on the structure of narcissism, recent models converge in a three-factor structure of agentic-extraverted, antagonistic, and neurotic aspects, capturing variance in different conceptualizations and correlates of narcissism. We construct and validate a German adaptation of the Five-Factor Narcissism Inventory (FFNI), a measure assessing these aspects based on the Five-Factor Model. In eight samples (N = 2,921), we found the German FFNI to align with both, two- and three-factor models. The factors display good criterion validity with other narcissism measures, (non-)clinical personality dimensions, interpersonal styles, and (mal-)adaptive adjustment. Neurotic and antagonistic narcissism discriminated between individuals with/without mental disorder diagnoses, and displayed a characteristic profile in incarcerated offenders. Since the FFNI is comprehensive but long, we constructed a 30-item brief form (FFNI-BF) optimizing the internal structure and external validity using ant colony optimization. The FFNI-BF displayed good psychometric characteristics and similar, in certain aspects even advantageous criterion validity. We conclude that the German FFNI validly measures key aspects of narcissism, and the FFNI-BF captures these in a concise manner.
Find related publications in this database (Keywords): narcissism; Five-Factor Narcissism Inventory (FFNI); grandiose narcissism; vulnerable narcissism; agentic narcissism; antagonistic narcissism; neurotic narcissism