Beliefs about others' intentions determine whether cooperation is the faster choice
Castro Santa, Juana (Universitat Pompeu Fabra. Centre de Cognició i Cervell)
Exadaktylos, Filippos (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Soto-Faraco, Salvador (Universitat Pompeu Fabra. Centre de Cognició i Cervell)

Data:	2018
Resum:	Is collaboration the fast choice for humans? Past studies proposed that cooperation is a behavioural default, based on Response Times (RT) findings. Here we contend that the individual's reckoning of the immediate social environment shapes her predisposition to cooperate and, hence, response latencies. In a social dilemma game, we manipulate the beliefs about the partner's intentions to cooperate and show that they act as a switch that determines cooperation and defection RTs; when the partner's intention to cooperate is perceived as high, cooperation choices are speeded up, while defection is slowed down. Importantly, this social context effect holds across varying expected payoffs, indicating that it modulates behaviour regardless of choices' similarity in monetary terms. Moreover, this pattern is moderated by individual variability in social preferences: Among conditional cooperators, high cooperation beliefs speed up cooperation responses and slow down defection. Among free-riders, defection is always faster and more likely than cooperation, while high cooperation beliefs slow down all decisions. These results shed new light on the conflict of choices account of response latencies, as well as on the intuitive cooperation hypothesis, and can help to correctly interpret and reconcile previous, apparently contradictory results, by considering the role of context in social dilemmas.
Ajuts:	Ministerio de Economía y Competitividad PSI2016-75558-P Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1545 European Commission 657741
Nota:	Unidad de excelencia María de Maeztu MdM-2015-0552
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Publicat a:	Scientific reports, Vol. 8 (May 2018) , art. 7509, ISSN 2045-2322

DOI: 10.1038/s41598-018-25926-3
PMID: 29760504

10 p, 1.2 MB

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