Table 1. Comparison of changes in anxiety levels according to simulation practice.

Item			Mean	Standard deviation	t (pre-post)	t (pre1-pre2)
1. I feel calm*	1st	Pre	3.19	0.78	4.56***	2.19*
		Post	2.35	0.79
	2nd	Pre	2.84	1.01	3.29**
		Post	2.16	0.76
2. I am tense	1st	Pre	3.05	0.70	5.74***	1.86
		Post	1.95	0.88
	2nd	Pre	2.81	0.70	5.79***
		Post	1.92	0.72
3. I am relaxed*	1st	Pre	3.24	0.64	4.38***	2.52*
		Post	2.43	0.87
	2nd	Pre	2.97	0.76	3.85***
		Post	2.35	0.79
4. I feel content*	1st	Pre	2.76	0.83	0.65	-0.26
		Post	2.62	1.04
	2nd	Pre	2.78	0.71	1.98
		Post	2.41	0.86
5. I am worried	1st	Pre	3.11	0.88	5.74***	2.14*
		Post	2.00	0.78
	2nd	Pre	2.81	0.78	4.74***
		Post	1.95	0.85
Total	1st	Pre	61.41	12.01	5.39***	2.78**
		Post	45.41	12.12
	2nd	Pre	56.86	11.36	5.0***
		Post	43.14	12.04

pre1: 1^st pre score, pre2: 2^nd pre score

*p < 0.05

**p < 0.01

***p < 0.001