期刊
COGNITION
卷 211, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cognition.2021.104641
关键词
Moral decision-making; Social influence; Goal; Drift diffusion model; Bayesian hierarchical modeling
资金
- John Templeton Foundation Beacons Project
- Academy of Medical Sciences [SBF001\1008]
- Royal Society Newton International Fellowship [NF160700]
- Clarendon
- Wellcome Trust Society and Ethics award [104980/Z/14/Z]
- Wellcome Trust [104980/Z/14/Z] Funding Source: Wellcome Trust
The study reveals that peer observation and influence can alter individual moral preferences, making them more aligned with the goals of peers. Additionally, participants' awareness of peer influence is more closely related to their moral decisions, which has implications for enhancing and blocking prosocial and antisocial influences on moral behavior.
Moral behavior is susceptible to peer influence. How does information from peers influence moral preferences? We used drift-diffusion modeling to show that peer influence changes the value of moral behavior by prioritizing the choice attributes that align with peers' goals. Study 1 (N = 100; preregistered) showed that participants accurately inferred the goals of prosocial and antisocial peers when observing their moral decisions. In Study 2 (N = 68), participants made moral decisions before and after observing the decisions of a prosocial or antisocial peer. Peer observation caused participants' own preferences to resemble those of their peers. This peer influence effect on value computation manifested as an increased weight on choice attributes promoting the peers' goals that occurred independently from peer influence on initial choice bias. Participants' self-reported awareness of influence tracked more closely with computational measures of prosocial than antisocial influence. Our findings have implications for bolstering and blocking the effects of prosocial and antisocial influence on moral behavior.
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