Measurement of pathological personality traits according to the DSM-5: A Polish adaptation of the PID-5. Part II – empirical results
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Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
University of Minnesota
Submission date: 2017-11-13
Final revision date: 2018-03-05
Acceptance date: 2018-03-11
Online publication date: 2019-02-28
Publication date: 2019-02-28
Corresponding author
Włodzimierz Strus   

Instytut Psychologii, Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie, ul. Wóycickiego 1/3, bud. 14, 01-938 Warszawa, Polska
Psychiatr Pol 2019;53(1):23-48
This paper presents results of a study on the Polish adaptation of the Personality Inventory for DSM-5 (PID-5), which was developed to measure pathological traits under a new, dimensional model proposed in Section III of the DSM-5 as part of a hybrid alternative system of personality disorder diagnosis.

The study involved a clinical sample (N = 129 individuals with a mean age of M = 32.40; SD = 9.08; 84.5% with a personality disorder diagnosis) and a non-clinical one (N = 1,043 individuals with a mean age of M = 34.98; SD = 15.71). Two questionnaires: the PID-5 and the MMPI-2 (Minnesota MultiphasicPersonality Inventory – 2) were use in the study.

The results showed the Polish adaptation of the PID-5 to be reliable and valid (the internal consistency coefficients for the PID-5 scales and subscales were high in clinical sample and at satisfactory level in non-clinical sample). All scales and almost all subscales of the PID-5 turned out to differentiate between clinical and non-clinical samples. The PID-5 scales and subscales exhibited a consistent pattern of relationships with the Personality Psy-chopathology Five (PSY-5) dimensions and with the clinical scales of the MMPI-2.

Obtained data demonstrate the PID-5 to be a satisfactory operationalization of the pathological personality trait model, and at the same time corroborate the scientific value of the DSM-5 model itself.

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