Table 3 Result of Reliability Coefficients of K-SCCCS (N=153)

Item	Mean	Standard deviation	ITC (r)	Alpha if item deleted
1	6.06	1.88	.83	.97
2	6.03	2.09	.85	.97
3	5.93	2.10	.83	.97
4	6.52	1.99	.89	.96
5	6.78	2.05	.82	.97
6	6.53	2.13	.87	.97
7	6.74	2.04	.77	.97
8	6.20	2.27	.89	.96
9	6.61	2.15	.84	.97
10	6.58	2.04	.85	.97
11	6.52	1.99	.81	.97
12	5.31	2.38	.78	.97