Narcissistic Grandiosity Scale.

NGS

What it measures

Grandiose narcissism via an adjective checklist (e.g. grandiose, superior, dominant, glorious, prominent)

Length and format

16 items. rating of self-descriptiveness (e.g. 1-7) (self-report questionnaire (adjective checklist))

Language versions

Several (English original; adaptations growing).

Normative data

Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.

Licence

open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Rosenthal, S. A., Hooley, J. M., & Steshenko, Y. (2020). Distinguishing grandiosity from self-esteem: Development of the Narcissistic Grandiosity Scale. Journal of Personality, 88(4), 776-791.