Item	Corrected Item-Toal Correlation	Cronbach’s alpha if Item Deleted	Cronbach’s alpha	Item	Corrected Item-Toal Correlation	Cronbach’s alpha if Item Deleted	Cronbach’s alpha
B1	0.795	0.788	0.860	C1	0.681	0.814	0.843
B2	0.682	0.852		C2	0.677	0.807
B3	0.722	0.816		C3	0.761	0.766
B4	0.691	0.827		C4	0.654	0.815
B5	0.665	0.857	0.870	C5	0.844	0.859	0.906
B6	0.781	0.809		C6	0.790	0.879
B7	0.802	0.800		C7	0.742	0.894
B8	0.654	0.860		C8	0.788	0.879
B9	0.690	0.786	0.838	C9	0.829	0.835	0.891
B10	0.503	0.873		C10	0.757	0.861
B11	0.751	0.761		C11	0.787	0.850
B12	0.764	0.751		C12	0.679	0.893
B1-B12	_	_	0.902	C13	0.726	0.780	0.843
_	_	_	_	C14	0.740	0.774
_	_	_	_	C15	0.692	0.798
_	_	_	_	C16	0.576	0.844
B1-C16	_	_	0.962	C1-C16	_	_	0.956