Table 3.

Results of the questionnaire reliability analysis.

Dimension and item number		Correlation matrix between items				Corrected item’s total correlation	Cronbach α if item deleted	Cronbach α of the dimension
Performance expectancy (PE)								.784
	PE.1	1				0.538	.895	N/Aa
	PE.2	0.715	1			0.647	.893	N/A
	PE.3	0.413	0.448	1		0.452	.898	N/A
	PE.4	0.403	0.489	0.614	1	0.598	.894	N/A
Effort expectancy (EE)								.764
	EE.1	1				0.690	.891	N/A
	EE.2	0.576	1			0.673	.892	N/A
Social influence (SI)								.802
	SI.1	1				0.550	.895	N/A
	SI.2	0.629	1			0.572	.894	N/A
	SI.3	0.566	0.660	1		0.502	.896	N/A
	SI.4	0.415	0.429	0.382	1	0.699	.891	N/A
Facilitating conditions (FC)								.875
	FC.1	1				0.701	.891	N/A
	FC.2	0.638	1			0.663	.892	N/A
	FC.3	0.581	0.659	1		0.651	.893	N/A
	FC.4	0.630	0.586	0.727	1	0.675	.892	N/A
Perceived risk (PR)								.841
	PR.1	1				0.234	.903	N/A
	PR.2	0.600	1			0.225	.904	N/A
	PR.3	0.525	0.633	1		0.227	.904	N/A
	PR.4	0.473	0.558	0.646	1	0.140	.909	N/A
Behavioral intention (BI)								.879
	BI.1	1				0.666	.892	N/A
	BI.2	0.662	1			0.631	.893	N/A
	BI.3	0.629	0.734	1		0.625	.893	N/A
Total scale								.900

^aN/A: not applicable; Cronbach α in this column was calculated for each dimension, not for each item.