. Author manuscript; available in PMC: 2014 Mar 21.

Published in final edited form as: Psychol Assess. 2010 Sep;22(3):638–649. doi: 10.1037/a0019780

Table 1.

Means and Standard Deviations for All IM–P Ratings

	European Americans		African Americans
IM–P item	M	SD	M	SD
1. Interrupts	.16	.41	.16	.42
2. Refuses to tolerate interruption	.16	.43	.18	.46
3. Ignores professional boundaries	.14	.40	.17	.48
4. Ignores personal boundaries	.12	.37	.16	.46
5. Tests interviewer	.18	.45	.23	.52
6. Makes personal comments	.14	.43	.18	.50
7. Makes requests of interviewer^a	.08	.31	.14	.40^**
8. Tends to be tangential	.70	.80	.70	.80
9. Fills in dead space	.39	.62	.37	.61
10. Unusual calmness	.51	.69	.57	.71
11. Frustration with avoiding argument^a	.01	.12	.02	.16
12. Perseveration	.58	.75	.50	.72
13. Ethical superiority	.61	.72	.66	.75
14. Expressed narcissism	.77	.79	.82	.77
15. Incorporates interview into stories	.15	.43	.23	.55^**
16. Seeking alliance	.44	.63	.47	.71
17. Showmanship	.40	.66	.37	.66
18. Angry^a	.22	.50	.21	.48
19. Impulsive answers^a	.45	.62	.54	.68^**
20. Expressed toughness	.42	.66	.36	.63
21. Intense eye contact	.34	.60	.35	.64

Note. IM–P = Interpersonal Measure of Psychopathy (Kosson, Steuerwald, Forth, & Kirkhart, 1997).

Item not used in final model.

^**

p < .01.