Table 7.

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

Male students	t1 = 2011 (n = 52)		t2 = 2014 (n = 63)		Difference	95%-CI	p-value (α = 0.05)
	Main	SD	Main	SD
Empathy	4.23	1.198	4.48	0.95	0.25	−0.65; 0.15	0.2146
Structure	4.33	1.14	4.51	0.997	0.18	−0.57; 0.21	0.3684
Verbal expression	4.58	1.18	4.53	0.94	−0.05	−0.34; 0.44	0.8008
Non-verbal Expression	4.04	1.10	4.29	1.12	0.25	−0.66; 0.16	0.2323
Female students	t1 = 2011 (n = 110)		t2 = 2014 (n = 90)		Difference	95%-CI	p-value (α = 0.05)
	Main	SD	Main	SD
Empathy	4.43	1.19	4.43	1.23	0.0	−0.34; 0.34	1.0
Structure	4.34	1.11	4.49	1.18	0.15	−0.47; 0.17	0.3565
Verbal expression	4.44	1.07	4.37	1.20	−0.07	−0.25; 0.39	0.6635
Non-verbal Expression	4.09	1.19	4.34	1.21	0.25	−0.59; 0.09	0.1440