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J R Soc Interface. 2014 Feb 5;11(93):20131211. doi: 10.1098/rsif.2013.1211. Print 2014 Apr 6.

Analytical reasoning task reveals limits of social learning in networks.

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Department of Electrical Engineering and Computer Science, Masdar Institute of Science and Technology, , Abu Dhabi 54224, United Arab Emirates.


Social learning-by observing and copying others-is a highly successful cultural mechanism for adaptation, outperforming individual information acquisition and experience. Here, we investigate social learning in the context of the uniquely human capacity for reflective, analytical reasoning. A hallmark of the human mind is its ability to engage analytical reasoning, and suppress false associative intuitions. Through a set of laboratory-based network experiments, we find that social learning fails to propagate this cognitive strategy. When people make false intuitive conclusions and are exposed to the analytic output of their peers, they recognize and adopt this correct output. But they fail to engage analytical reasoning in similar subsequent tasks. Thus, humans exhibit an 'unreflective copying bias', which limits their social learning to the output, rather than the process, of their peers' reasoning-even when doing so requires minimal effort and no technical skill. In contrast to much recent work on observation-based social learning, which emphasizes the propagation of successful behaviour through copying, our findings identify a limit on the power of social networks in situations that require analytical reasoning.


culture; networks; reasoning; social learning

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