{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T10:52:06Z","timestamp":1767178326667,"version":"build-2238731810"},"update-to":[{"DOI":"10.1371\/journal.pcbi.1010010","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2022,5,12]],"date-time":"2022-05-12T00:00:00Z","timestamp":1652313600000}}],"reference-count":41,"publisher":"Public Library of Science (PLoS)","issue":"5","license":[{"start":{"date-parts":[[2022,5,2]],"date-time":"2022-05-02T00:00:00Z","timestamp":1651449600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100004440","name":"Wellcome Trust","doi-asserted-by":"publisher","award":["214268\/Z\/18\/Z"],"award-info":[{"award-number":["214268\/Z\/18\/Z"]}],"id":[{"id":"10.13039\/100004440","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.ploscompbiol.org"],"crossmark-restriction":false},"short-container-title":["PLoS Comput Biol"],"abstract":"<jats:p>Social interactions influence people\u2019s feelings and behavior. Here, we propose that a person\u2019s well-being is influenced not only by interactions they experience themselves, but also by those they observe. In particular, we test and quantify the influence of observed selfishness and observed inequality on a bystanders\u2019 feelings and non-costly punishment decisions. We developed computational models that relate others\u2019 (un)selfish acts to observers\u2019 emotional reactions and punishment decisions. These characterize the rules by which others\u2019 interactions are transformed into bystanders\u2019 reactions, and successfully predict those reactions in out-of-sample participants. The models highlight the impact of two social values\u2014\u2018selfishness aversion\u2019 and \u2018inequality aversion\u2019. As for the latter we find that even small violations from perfect equality have a disproportionately large impact on feelings and punishment. In this age of internet and social media we constantly observe others\u2019 online interactions, in addition to in-person interactions. Quantifying the consequences of such observations is important for predicting their impact on society.<\/jats:p>","DOI":"10.1371\/journal.pcbi.1010010","type":"journal-article","created":{"date-parts":[[2022,5,2]],"date-time":"2022-05-02T13:34:44Z","timestamp":1651498484000},"page":"e1010010","update-policy":"https:\/\/doi.org\/10.1371\/journal.pcbi.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Observing others give &amp; take: A computational account of bystanders\u2019 feelings and 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