Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.6076	0.6097	0.5505	0.2808
Q30_1 excluded	0.4989	0.5027	0.4194	0.252
Q30_2 excluded	0.4812	0.482	0.396	0.2367
Q30_3 excluded	0.5759	0.5786	0.4792	0.3139
Q30_4 excluded	0.5853	0.5862	0.4861	0.3207