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{ "pk": 26911, "title": "Selective Information Sampling and the In-Group Heterogeneity Effect", "subtitle": null, "abstract": "People often perceive their in-groups as more heterogeneousthan their out-groups. We propose an information samplingexplanation for this in-group heterogeneity effect. We analyzea model in which an agent forms beliefs and attitudes aboutsocial groups from her experience. Consistent with robust evi-dence from the social sciences, we assume that people are morelikely to interact again with in-group members than with out-group members. This implies that people obtain larger sam-ples of information about in-groups than about out-groups. Be-cause estimators of variability tend to be right-skewed, but lessso when sample size is large, sampled in-group variability willtend to be higher than sampled out-group variability. This im-plies that even agents that process information correctly – evenif they are naive intuitive statisticians – will be subject to thein-group heterogeneity effect. Our sampling mechanism com-plements existing explanations that rely on how informationabout in-group and out-group members is processed.", "language": "eng", "license": { "name": "", "short_name": "", "text": null, "url": "" }, "keywords": [ { "word": "information sampling" }, { "word": "Judgment Bias" }, { "word": "Perceptionof Variability." } ], "section": "Talks: Papers", "is_remote": true, "remote_url": "https://escholarship.org/uc/item/22k9j1d8", "frozenauthors": [ { "first_name": "Elizaveta", "middle_name": "", "last_name": "Konovalova", "name_suffix": "", "institution": "Universitat Pompeu Fabra", "department": "" }, { "first_name": "Gael", "middle_name": "", "last_name": "Le Mens", "name_suffix": "", "institution": "Universitat Pompeu Fabra", "department": "" } ], "date_submitted": null, "date_accepted": null, "date_published": "2017-01-01T13:00:00-05:00", "render_galley": null, "galleys": [ { "label": "PDF", "type": "pdf", "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/26911/galley/16547/download/" } ] }