Table 2: The evaluation index (Fornell and Larcker) for divergent validity of the questionnaire according to service providers.

Service providers	Construct	Intention	Attitude towards the behaviour	Subjective norm	Behavioral control	Past experience
Public	Intention	0.804
	Attitude towards the behaviour	0.833	0.833
		p-value<0.001
	Subjective norm	0.588	0.668	0.879
		p-value<0.001	p-value<0.001
	Perceived behavioral control	0.482	0.494	0.568	0.849
		p-value<0.001	p-value<0.001	p-value<0.001
	Past experience	0.407	0.423	0.278	0.32	0.653
		p-value<0.001	p-value<0.001	p-value<0.001	p-value<0.001
Private	Intention	0.767
	Attitude towards the behaviour	0.15	0.818
		p-value = 0.006
	Subjective norm	0.14	0.639	0.886
		p-value = 0.011	p-value<0.001
	Perceived behavioral control	0.409	0.072	0.039	0.858
		p-value<0.001	p-value = 0.194	p-value = 0.482
	Past experience	0.272	0.186	0.085	0.229	0.649
		p-value<0.001	p-value<0.001	p-value = 0.122	p-value<0.001
Charity	Intention	0.872
	Attitude towards the behaviour	0.072	0.867
		p-value = 0.193
	Subjective norm	0.057	0.631	0.869
		p-value = 0.303	p-value<0.001
	Perceived behavioral control	0.304	0.01	0.038	0.935
		p-value<0.001	p-value = 0.857	p-value = 0.494
	Past experience	0.288	0.014	0.008	0.348	0.662
		p-value<0.001	p-value = 0.806	p-value = 0.883	p-value<0.001