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The evolutionary basis of human social learning
Stockholm University, Faculty of Humanities, Centre for the Study of Cultural Evolution.
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2012 (English)In: Proceedings of the Royal Society of London. Biological Sciences, ISSN 0962-8452, E-ISSN 1471-2954, Vol. 279, no 1729, 653-662 p.Article in journal (Refereed) Published
Abstract [en]

Humans are characterized by an extreme dependence on culturally transmitted information. Such dependence requires the complex integration of social and asocial information to generate effective learning and decision making. Recent formal theory predicts that natural selection should favour adaptive learning strategies, but relevant empirical work is scarce and rarely examines multiple strategies or tasks. We tested nine hypotheses derived from theoretical models, running a series of experiments investigating factors affecting when and how humans use social information, and whether such behaviour is adaptive, across several computer-based tasks. The number of demonstrators, consensus among demonstrators, confidence of subjects, task difficulty, number of sessions, cost of asocial learning, subject performance and demonstrator performance all influenced subjects' use of social information, and did so adaptively. Our analysis provides strong support for the hypothesis that human social learning is regulated by adaptive learning rules.

Place, publisher, year, edition, pages
2012. Vol. 279, no 1729, 653-662 p.
Keyword [en]
social learning, asocial learning, social learning strategy, copying, conformity, consensus
National Category
Biological Sciences
URN: urn:nbn:se:su:diva-76987DOI: 10.1098/rspb.2011.1172ISI: 000299114100005OAI: diva2:530982
5Available from: 2012-06-05 Created: 2012-05-28 Last updated: 2012-06-05Bibliographically approved

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Ehn, Micael
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Centre for the Study of Cultural Evolution
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