Table 5. Verification of measurement tool validity and reliability using SPSS

항목	측정 문항	공통성	성분행렬	누적 적재량(%)	크론바흐 α
D (차별성)	D1	.665	.815	77.673	.967
	D2	.809	.899
	D3	.660	.813
	D4	.857	.926
	D5	.802	.896
	D6	.776	.881
	D7	.884	.940
	D8	.821	.906
	D9	.804	.897
	D10	.689	.830
R (관련성)	R1	.752	.867	82.424	.968
	R2	.779	.883
	R3	.760	.872
	R4	.801	.895
	R5	.825	.909
	R6	.953	.976
	R9	.896	.947
	R10	.828	.910
E (존중)	E3	.880	.938	74.011	.920
	E4	.908	.953
	E5	.830	.911
	E6	.631	.794
	E8	.585	.765
	E9	.607	.779
K (지식)	K1	.615	.784	74.954	.930
	K2	.783	.885
	K3	.858	.926
	K8	.609	.781
	K9	.750	.866
	K10	.882	.939