... 0.5 po 0.5 po 0.5 R Davis, B Lang / Journal of Retailing and Consumer Services 19 (2 012 ) 67–77 Game, Game, Game, Game, Game, Game, Game, Game, p 29 61. 16 (18 6) Game group X2/DF ratio 65.89 (24) ... coupon-prone consumer: some findings based on purchase behavior across product classes Journal of Marketing 51 (4), 99 11 0 76 R Davis, B Lang / Journal of Retailing and Consumer Services 19 (2 012 ) ... Lang / Journal of Retailing and Consumer Services 19 (2 012 ) 67–77 Recently, other researchers in an attempt to extend our understanding of the consumer response to marketing in the game environment...