Table 6.

Reliability analysis of the emotional design scale.

Dimension	Sub-dimension	Item	Corrected item-total correlation	Cronbach’s alpha if item deleted	Cronbach’s alpha	Overall Cronbach’s alpha
Emotional design	Interaction quality	IQ1	0.722	0.874	0.893	0.932
		IQ2	0.742	0.869
		IQ3	0.74	0.87
		IQ4	0.75	0.868
		IQ5	0.738	0.87
	Visual appeal	VA1	0.753	0.858	0.888
		VA2	0.725	0.865
		VA3	0.725	0.865
		VA4	0.735	0.862
		VA5	0.702	0.87
	Perceived personalization	PP1	0.741	0.86	0.888
		PP2	0.727	0.864
		PP3	0.726	0.864
		PP4	0.719	0.865
		PP5	0.724	0.864
	Intelligent adaptability	IA1	0.73	0.867	0.890
		IA2	0.718	0.87
		IA3	0.76	0.86
		IA4	0.724	0.869
		IA5	0.731	0.867