Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of 12-step Sample Intake means (SD) NPI scores with General Populations means (SD) scores
| Total NPI Score | Pathological Narcissism Score | N | |
|---|---|---|---|
| Twenge et al. (2008) meta-analysis | 9.14 (4.67) | 2.21 (1.93) | 16, 475 |
| 12-step sample | 16.98 (7.32) | 6.38 (3.67) | 130 |
