“…Helpful behavior depends on situational variables (e.g., Batson, 1991;Latané & Darley, 1970;Piliavin, Dovidio, Gaertner, & Clark, 1981) and on stable dispositions (e.g., Bierhoff, Klein, & Kramp, 1991;Eisenberg et al, 2002;Penner & Finkelstein, 1998;Staub, 1974). Research on both aspects has raised important questions about why people help, with a large amount of debate about whether helpfulness is always motivated by egoistic concerns (e.g., Cialdini, Brown, Lewis, Luce, & Neuberg, 1997) or whether helpfulness can also be an expression of pure selflessness (e.g., Batson, 1998).…”