TABLE 4.

Correlation among P-A-D Scores of the user interface, the interaction quality, and the service environment.

		User interface			Interaction quality			Service environment
		P Score	A Score	D Score	P Score	A Score	D Score	P Score	A Score	D Score
User interface	P Score	1
	A Score	0.803**	1
	D Score	0.673**	0.715**	1
Interaction quality	P Score	0.591**	0.532**	0.330*	1
	A Score	0.544**	0.657**	0.378**	0.811**	1
	D Score	0.389**	0.396**	0.412**	0.613**	0.641**	1
Service environment	P Score	0.298*	0.226	0.164	0.605**	0.525**	0.402**	1
	A Score	0.067	0.237	0.052	0.342*	0.464**	0.258	0.725**	1
	D Score	0.127	0.078	0.186	0.314*	0.233	0.387**	0.715**	0.631**	1

** p < 0.01; * p < 0.05.