brand loyalty refers to group of answer choices c. a formalized agreement of a vendor to carry one brand over another because it views the quality of that brand to be superior to all others. e. the faith that other products manufactured by the same company with the same brand name will be of the same quality. b. a favorable attitude toward and consistent purchase of a single brand over time. a. the group of brands that a consumer would consider acceptable from among all the brands in the product class of which he or she is aware. d. the willingness of consumers to try a new product in a product line based upon their satisfaction with other products in the line.