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{
    "pk": 27853,
    "title": "Building and Dismantling Trust: From Group Learning to Character Judgments",
    "subtitle": null,
    "abstract": "Trust is central to social behavior. In interactions between\nstrangers some information about group affiliation is almost\nalways available. Despite this, how group information is\nutilized to promote trust in interactions between strangers is\npoorly understood. Here we addressed this through a two-stage\nexperiment where participants interacted with randomly\nselected members of two arbitrary groups and learnt their\nrelative trustworthiness. Next, they interacted with four novel\nindividuals from these two groups. Two members, one from\neach group, acted congruently with their group’s previous\nbehavior while the other two acted incongruently. While\nparticipants readily learnt the group-level information in the\nfirst phase, this was swiftly discounted in favor of information\nabout each individual partner’s actual behavior. We fit a\nreinforcement learning model which included a bias term\ncapturing propensity to trust to the data from the first phase.\nThe bias term from the RL model predicted participants’ initial\nbehavior better than their expectations based on group\nmembership. Pro-social tendencies and individuating\ninformation can overcome knowledge about group belonging.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "trust"
        },
        {
            "word": "Reinforcement Learning"
        },
        {
            "word": "decision making"
        },
        {
            "word": "Morality"
        }
    ],
    "section": "Publication-based-Talks",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/2088b6wv",
    "frozenauthors": [
        {
            "first_name": "Philip",
            "middle_name": "",
            "last_name": "Parnamets",
            "name_suffix": "",
            "institution": "Karolinska Institutet",
            "department": ""
        },
        {
            "first_name": "Tobias",
            "middle_name": "",
            "last_name": "Granwald",
            "name_suffix": "",
            "institution": "Karolinska Institutet",
            "department": ""
        },
        {
            "first_name": "Andreas",
            "middle_name": "",
            "last_name": "Olsson",
            "name_suffix": "",
            "institution": "Karolinska Institutet",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2018-01-01T10:00:00-08:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/27853/galley/17491/download/"
        }
    ]
}