Table 1.

Gender Differences in Narcissism at Ages 14, 18, and 23

Age	Mean	SD	95% Confidence interval	Range of Scores	t-value	Cohen’s d
Age 14
Females	4.22	.89	4.18 – 4.66	2.48 – 6.33
Males	4.57	.96	4.57 – 5.11	4.76 – 6.40
					2.31*	.37
Age 18
Females	4.96	.57	4.80 – 5.12	3.45 – 6.15
Males	5.24	.63	5.09 – 5.43	4.01 – 6.63
					2.37*	.47
Age 23
Females	4.75	.96	4.48 – 5.01	2.50 – 7.00
Males	5.16	1.15	4.83 – 5.48	2.40 – 7.40
					1.98*	.38

Note. Ns of females = 52; Ns of Males = 51.

^*p < .05