Table 2.

Latent Mean Differences and Effect Sizes for the Brief Pathological Narcissism Inventory.

Trait	USA–UK			USA–Germany
	M [CI]	SD	Cohen’s d [CI]	M [CI]	SD	Cohen’s d [CI]
Exploitativeness	−0.08 [−0.2, 0.04]	0.87	−0.10 [−0.21, 0.02]	−0.21 [−0.31, −0.11]	0.93	−0.22 [−0.3, −0.14]
Self-sacrificing self-enhancement	−0.31 [−0.44, −0.19]	0.90	−0.35 [−0.47, −0.23]	−0.67 [−0.77, −0.58]	0.83	−0.81 [−0.89, −0.73]
Grandiose fantasy	0 [−0.13, 0.12]	0.97	0 [−0.12, 0.11]	0.05 [−0.05, 0.14]	0.91	0.05 [−0.03, 0.13]
Contingent self-esteem	0.03 [−0.1, 0.15]	0.94	0.03 [−0.09, 0.15]	−0.25 [−0.34, −0.16]	0.87	−0.29 [−0.37, −0.2]
Hiding the self	−0.11 [−0.24, 0.02]	0.94	−0.12 [−0.23, 0]	−0.25 [−0.34, −0.17]	0.79	−0.32 [−0.4, −0.24]
Devaluing	−0.13 [−0.26, 0.01]	0.94	−0.13 [−0.25, −0.01]	−0.09 [−0.21, 0.04]	1.17	−0.07 [−0.15, 0.01]
Entitlement rage	−0.04 [−0.17, 0.08]	0.99	−0.04 [−0.16, 0.08]	−0.15 [−0.23, −0.07]	0.76	−0.2 [−0.28, −0.12]

Note. CI =confidence interval.