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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: J Res Pers. 2010 Aug 1;44(4):478–484. doi: 10.1016/j.jrp.2010.06.001

Table 1.

Means, Standard Deviations, Gender-Differences, and Reliabilities for the NPI and NPI Facets

Total (N=79) Males (n=37) Females (n=42) M-F Gender-Diff. Reliability
M SD M SD M SD t p (α)
NPI total score 1.43 .18 1.46 .17 1.41 .18 1.25 .21 .83
  Leadership/Authority 1.54 .31 1.56 .31 1.52 .32 .65 .52 .80
  Self-Absorption/Self-ad. 1.43 .26 1.43 .25 1.43 .27 .00 .99 .66
  Superiority/Arrogance 1.33 .24 1.38 .24 1.43 .27 1.81 .07 .63
  Exploitativeness/Entitle. 1.30 .25 1.37 .24 1.24 .26 2.25 .03* .62

Note:

*

p < .05