Reciprocity is considered one of the most potent weapons of social influence. Yet, little is known about when reciprocity appeals are more or less effective. A functional evolutionary approach suggests that reciprocity helps people survive in resource-scarce environments: When resources are limited, a person may not be able to obtain…

Research on attachment in adults began by assuming parallels from attachment as a behavioral system for using relationships to balance the tradeoff between safety and exploration in infants, to the same tradeoff function in adults. Perhaps more pressing, for adults, are the novel social tradeoffs adults face when deciding how…

The theory of diffusion of responsibility has for years sparked social and psychological scientists' interest. Interest in why it occurs and in what contexts, have sparked a great deal of investigation over a broad range of assumptions. Various researchers support ideas behind gender differences, racial disparities, internal ideation of bystanders,…