Table 3.

Item-total score correlation of the Korean JSE-S

Cronbach coefficient alpha			Raw	0.901
			Standardized	0.91
Cronbach coefficient alpha with deleted variable
	Raw variables		Standardized variables
Deleted variable	Correlation with total	Alpha	Correlation with total	Alpha
Item 1	0.322	0.908	0.312	0.913
Item 2	0.628	0.894	0.653	0.903
Item 3	0.547	0.896	0.53	0.907
Item 4	0.652	0.893	0.673	0.903
Item 5	0.405	0.9	0.427	0.909
Item 6	0.303	0.903	0.276	0.914
Item 7	0.627	0.893	0.602	0.905
Item 8	0.66	0.892	0.639	0.904
Item 9	0.682	0.892	0.704	0.902
Item 10	0.591	0.894	0.619	0.904
Item 11	0.692	0.891	0.668	0.903
Item 12	0.643	0.892	0.621	0.904
Item 13	0.807	0.889	0.829	0.898
Item 14	0.205	0.906	0.192	0.916
Item 15	0.479	0.898	0.497	0.908
Item 16	0.742	0.891	0.769	0.9
Item 17	0.667	0.892	0.689	0.902
Item 18	0.6	0.894	0.629	0.904