In social psychology, prosocial behaviour is defined as any act which benefits others, essentially any behaviour initiated with the purpose of increasing another person’s physical or psychological well being, with positive consequences for that person (Hogg and Vaughan, 1998). By contrast, in social psychology altruism refers to a behaviour that benefits only another individual, rather than oneself, often even with consequence to oneself (Batson and Coke, 1981). Prosocial behaviour refers to all behaviour which helps another person - however, not all prosocial behaviour is altruistic. True altruism - a helpful behaviour which has no benefit to the individual undertaking it - cannot exist. Individuals always help others with a measure of self-interest. All ‘altruistic’ behaviour has a benefit to the individual undertaking it. However, altruism can also be defined as any act that considers the concerns of others as well as the individual (Farside, 2007, pp. 474). All altruistic acts in our lives infer some sort of self-interest or reward of pride or satisfaction, but this does not necessarily mean they are invalid - in fact, humans are biologically motivated to be altruistic or at least helpful to each other in order for survival. Altruism may exist, but ultimately people do not ever intentionally act only to benefit others. True altruism as defined in social psychology - involving no benefit to the individual undertaking a helpful behaviour - cannot exist, as all prosocial