The existing literature acknowledges that a mismatch between the experimenter’s and the subjects’ models of an experimental task can adversely affect the interpretation of data from laboratory experiments. We primarily focus on experiments designed to test a hypothesis by comparing behavior...

A novel two-person "charity game", related to the "Samaritan's Dilemma" [Buchanan, J.M., 1975. The samaritan's dilemma. In: Phelps, E.S. (Ed.), Altruism, Morality and Economic Theory. Russel Sage Foundation, New York, pp. 71-85], is used to experimentally investigate the relation between...