The development of cooperative relationships: an experiment - Roberts, Gilbert; Renwick, James S. (Proceedings of the Royal Society B : Biological Sciences, 2003)
Keywords: Adolescent; Adult; Altruism; Cooperation; Cooperative Behavior; Friendship; Games, Experimental; Homo sapiens; Humans; Investment strategies; Personal hygiene; Prisoner'S Dilemma; Prisoners dilemma; Reciprocal Altruism; Relationships; Securities sales; Social behavior; Tit for tat; Vampires