6. Tara was shopping for a new pair of shoes for work. The salesperson was very helpful and friendly, bringing Tara some styles she hadn't thought to try on but that she ended up really liking. Noticing Tara's University of Wisconsin tee-shirt, the salesperson said that she was a student there. Tara ended up buying three pairs of shoes rather than the one pair she had planned on. Tara's experience shows the effect of ________ on consumer behavior.
(A) salespeople
(B) atmospherics
(C) retail theming
(D) reward power