Strong reciprocity is an area of research in behavioral economics, evolutionary psychology, and evolutionary anthropology on the predisposition to cooperate even when there is no apparent benefit in doing so. This topic is particularly interesting to those studying the evolution of cooperation, as these behaviors seem to be in contradiction with predictions made by many models of cooperation.[1] In response, current work on strong reciprocity is focused on developing evolutionary models which can account for this behavior.[2][3] Critics of strong reciprocity argue that it is an artifact of lab experiments and does not reflect cooperative behavior in the real world.[4]