“…Clearly, cognitive and social processes also underlie tipping, but they operate on and/or through motives and their effects cannot be fully understood apart from some motivation for tipping. Indeed a perusal of the tipping literature reveals a number of different motives that have been hypothesized to underlie this behavior (see Azar, 2010;Becker, Bradley, & Zantow, 2012;Lynn, 2009;Lynn & Grassman, 1990;Saunders & Lynn, 2010). Selectively drawing on this literature, I argue that tipping is primarily driven by motivations to: (1) help servers, (2) reward service, (3) gain or maintain future preferential service, (4) gain or maintain social esteem (approval, status, and/or liking), and (5) fulfill felt obligations and duties.…”