Table 1.

The recruitment plans and information release order.

Group	The Rrder of Information	Number of Participants	Recruitment Place
A1	No information, positive information, negative information	38	Auchan Jinji Lake
B1	No information, negative information, positive information	41	Auchan Jinji Lake
A2	No information, positive information, negative information	35	WalMart Nanmen
B2	No information, negative information, positive information	43	WalMart Nanmen
A3	No information, positive information, negative information	32	RtMart Heshan Road
B3	No information, negative information, positive information	47	RtMart Heshan Road
A4	No information, positive information, negative information	36	Carrefour Wanda plaza
B4	No information, negative information, positive information	38	Carrefour Wanda plaza

Note: Number oftotal recruited participants, n = 310.