Validation of self-report measures of narcissism against a diagnostic interview

Stéphanie Baggio; Katia Iglesias; Miguel Duarte; Rosetta Nicastro; Roland Hasler; Sebastian Euler; Martin Debbané; Vladan Starcevic; Nader Perroud

doi:10.1371/journal.pone.0266540

Validation of self-report measures of narcissism against a diagnostic interview

Stéphanie Baggio, Katia Iglesias, Miguel Duarte, Rosetta Nicastro, Roland Hasler, Sebastian Euler, Martin Debbané, Vladan Starcevic, Nader Perroud

Medicine

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6 Citas (Scopus)

Resumen

The Pathological Narcissism Inventory (PNI) and the Narcissistic Personality Inventory (NPI) are often used to screen for pathological narcissism but have rarely been validated against a clinician-administered diagnostic interview. Our study evaluated the convergent validity of the PNI and NPI against a diagnostic interview for narcissistic personality disorder (NPD) in a clinical population. We used data from a psychiatric outpatient center located in Switzerland (n = 123). Correlations between PNI/NPI and NPD ranged between .299 and .498 (common variance 9.0–24.8%). The PNI and NPI should be used carefully to screen for NPD. We highlight a need to increase the compatibility between the conceptual underpinnings of the PNI, NPI and NPD.

Idioma original	English
Número de artículo	e0266540
Publicación	PLoS One
Volumen	17
N.º	4 April
DOI	https://doi.org/10.1371/journal.pone.0266540
Estado	Published - abr. 2022

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Copyright: © 2022 Baggio et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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abstract = "The Pathological Narcissism Inventory (PNI) and the Narcissistic Personality Inventory (NPI) are often used to screen for pathological narcissism but have rarely been validated against a clinician-administered diagnostic interview. Our study evaluated the convergent validity of the PNI and NPI against a diagnostic interview for narcissistic personality disorder (NPD) in a clinical population. We used data from a psychiatric outpatient center located in Switzerland (n = 123). Correlations between PNI/NPI and NPD ranged between .299 and .498 (common variance 9.0–24.8%). The PNI and NPI should be used carefully to screen for NPD. We highlight a need to increase the compatibility between the conceptual underpinnings of the PNI, NPI and NPD.",

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AU - Iglesias, Katia

AU - Duarte, Miguel

AU - Nicastro, Rosetta

AU - Hasler, Roland

AU - Euler, Sebastian

AU - Debbané, Martin

AU - Starcevic, Vladan

AU - Perroud, Nader

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N2 - The Pathological Narcissism Inventory (PNI) and the Narcissistic Personality Inventory (NPI) are often used to screen for pathological narcissism but have rarely been validated against a clinician-administered diagnostic interview. Our study evaluated the convergent validity of the PNI and NPI against a diagnostic interview for narcissistic personality disorder (NPD) in a clinical population. We used data from a psychiatric outpatient center located in Switzerland (n = 123). Correlations between PNI/NPI and NPD ranged between .299 and .498 (common variance 9.0–24.8%). The PNI and NPI should be used carefully to screen for NPD. We highlight a need to increase the compatibility between the conceptual underpinnings of the PNI, NPI and NPD.

AB - The Pathological Narcissism Inventory (PNI) and the Narcissistic Personality Inventory (NPI) are often used to screen for pathological narcissism but have rarely been validated against a clinician-administered diagnostic interview. Our study evaluated the convergent validity of the PNI and NPI against a diagnostic interview for narcissistic personality disorder (NPD) in a clinical population. We used data from a psychiatric outpatient center located in Switzerland (n = 123). Correlations between PNI/NPI and NPD ranged between .299 and .498 (common variance 9.0–24.8%). The PNI and NPI should be used carefully to screen for NPD. We highlight a need to increase the compatibility between the conceptual underpinnings of the PNI, NPI and NPD.

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Validation of self-report measures of narcissism against a diagnostic interview

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