Evaluate the Consumer Acceptance of AIoT-Based Unmanned Convenience Stores Based on Perceived Risks and Technological Acceptance Models

Table 1

Reliability and validity analysis of formal survey (n = 249).

Construct	Measurement items	Item-to-total correlation coefficient	Factor loading	Eigenvalue	Cumulative explained variation %	Cronbach α value	Component reliability (CR)	Average variance extracted (AVE)
Perceived ease of use	I think shopping at the X-Store would not expend much of my energy	0.880	0.947	2.676	89.210	0.940	0.940	0.838
	I think shopping at the X-Store can be easy	0.878	0.946
	I think the facilities and services at the X-Store are easy to use	0.865	0.940
Perceived usefulness	Using X-Store can improve my shopping convenience	0.898	0.955	2.693	89.767	0.943	0.944	0.848
	Using X-Store can improve my shopping efficiency	0.877	0.946
	Shopping in the X-Store is good for me	0.868	0.941
Perceived risks	I have no confidence in the operation of the facilities or services provided by the X-Store	0.833	0.889	4.672	68.023	0.921	0.911	0.598
	I am concerned that the products or services provided by the X-Store are not meeting my expectations	0.786	0.855
	I may feel uneasy about making purchases in an X-Store without clerks	0.787	0.854
	I would worry that the value of the product or service provided by the X-Store is not in line with my expectations	0.775	0.842
	I would worry that the services provided by the X-Store would not work properly and cause financial losses	0.719	0.790
	I would worry that the facial recognition system of X-Store would not work properly and make me not be able to enter and exit the store smoothly	0.697	0.775
	I would worry about the property loss caused by theft of data or passwords when using the X-Store’s automatic checkout system	0.683	0.760
Attitudes toward using X-Store	I like the concept of X-Store	0.870	0.944	2.602	86.734	0.923	0.925	0.803
	I think using X-Store is a good idea	0.836	0.927
	I think making purchases at X-Store is a wise decision	0.828	0.923
Behavioral intentions	The shopping experience provided by X-Store will increase my willingness to make purchases in it	0.883	0.951	2.591	86.369	0.921	0.939	0.838
	I may use X-Store frequently in the future	0.823	0.921
	If I have the opportunity, I will use X-Store	0.814	0.916