Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5927	0.6372	0.6349	0.3051
EPC1 excluded	0.3952	0.407	0.3267	0.1862
EPC2 excluded	0.4531	0.4833	0.399	0.2377
EPC3 excluded	0.6513	0.7124	0.6719	0.4522
EPC4 excluded	0.5798	0.6117	0.6128	0.3443