Table 2. Reliability testing using Cronbach alpha coefficients for internal consistency

Item No.	Item-total correlation	Cronbach alpha coefficient without this item
1	0.603	0.880
2	0.406	0.893
3	0.650	0.877
4	0.401	0.895
5	0.711	0.872
6	0.710	0.872
7	0.769	0.868
8	0.801	0.865
9	0.676	0.875
10	0.554	0.883