Table 10.

Change of the external perception between cohorts examined in 2011 and 2014 (unpaired t-test) in male and female students

Male students	t1 = 2011 (n = 460)		t2 = 2014 (n = 121)		Difference	95%-CI	p-value (α = 0.05)
	Main	SD	Main	SD
Empathy	4.196	0.79	4.05	0.94	−0.15	−0.019; 0.31	0.0832
Structure	4.12	0.92	3.98	1.01	−0.14	−0.05; 0.33	0.1452
Verbal expression	4.21	0.85	4.11	0.95	−0.10	−0.08; 0.28	0.2620
Non-verbal Expression	4.16	0.897	4.404	1.00	−0.24	−0.43; −0.06	0.0096
Female students	t1 = 2011 (n = 1008)		t2 = 2014 (n = 252)		Difference	95%-CI	p-value (α = 0.05)
	Main	SD	Main	SD
Empathy	4.22	0.71	4.13	0.897	−0.09	−0.014; 0.19	0.0891
Structure	4.00	0.84	4.09	0.87	0.09	−0.21; 0.03	0.1312
Verbal expression	4.17	0.81	4.25	0.89	0.08	−0.19; 0.03	0.1696
Non-verbal Expression	4.14	0.80	4.10	0.89	−0.04	−0.07; 0.15	0.4880