Assessment, Statistics, and Research: personality disorder

Tuesday, January 12, 2021

Narcissistic Personality Inventory-13

The Narcissistic Personality Inventory - 13 (NPI-13) was developed by Gentile et al. (2013). It is a shortened version of the 40-item NPI.

The authors describe trait narcissism as a trait on a continuum with features of "a grandiose sense of self, feelings of entitlement, and a dominant and antagonistic interpersonal style (p. 1120)."

Scale and subscales

The NPI-13 has three subscales (Cronbach alpha values in parentheses):

Leadership/authority (.66)
Grandiose Exhibitionism (.65)
Entitlement/ exploitativeness (.51)

Total Scale alpha = .73.

Psychometric Properties

In general, the three NPI scales were significantly positively correlated with grandiose scales from the PNI and NGS, psychological entitlement, and both self-report and interview-based symptom of NPD. All three were also positively related to self-esteem scores," (Gentile et al., 2013, p. 1124).

The authors also found positive correlations between the NPI scales and DSM-IV-TR personality disorders of paranoid, antisocial, and histrionic.

See Gentile et al. (2013) below for details of the two studies and how the NPI-13 and other versions performed.

Sample items

I like having authority over other people.
I have a strong will to power.

Read more about Narcissistic Personality Disorder
and the other two components of the "Toxic Triad."

Permission to use

Test content may be reproduced and used for non-commercial research and educational purposes without seeking written permission. Distribution must be controlled, meaning only to the participants engaged in the research or enrolled in the educational activity. Any other type of reproduction or distribution of test content is not authorized without written permission from the author and publisher. Always include a credit line that contains the source citation and copyright owner when writing about or using any test.

Availability

The 13 test items are listed in the PsycTESTS entry listed below.

Gentile, B., Miller, J. D., Hoffman, B. J., Reidy, D. E., Zeichner, A., & Campbell, W. K. (2013). Narcissistic Personality Inventory–13. PsycTESTS. https://doi.org/10.1037/t28884-000

SCOPES domain = O/ Observable behavior patterns/personality

Cite this post

Sutton, G. W. (2021, January 12). Narcissistic Personality Inventory-13. Assessment, Statistics, and Research. https://statistics.suttong.com/2021/01/narcissistic-personality-inventory-13.html

Reference

Gentile, Brittany, Miller, Joshua D., Hoffman, Brian J., Reidy, Dennis E., Zeichner, Amos, & Campbell, W. Keith. (2013). A test of two brief measures of grandiose narcissism: The Narcissistic Personality Inventory–13 and the Narcissistic Personality Inventory-16. Psychological Assessment, 25(4), 1120-1136. doi: https://dx.doi.org/10.1037/a0033192

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