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. 2011 Mar 30;6(3):e18239. doi: 10.1371/journal.pone.0018239

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Alex Mesoudi.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Inline graphic — Three alternative copying rules are shown: unbiased transmission (new individuals copy the cultural traits of a randomly selected member of the previous generation), indirectly biased transmission (new individuals copy the cultural traits of the member of the previous generation who had the highest individual fitness) and directly biased transmission (new individuals copy the cultural traits with the highest trait fitnesses across the entire previous generation). Parameters: N = 100, c_i = 10, c_s = 5, λ = 1000, µ_i = µ_s = 0; all results are the average of 100 independent runs.

Three alternative copying rules are shown: unbiased transmission (new individuals copy the cultural traits of a randomly selected member of the previous generation), indirectly biased transmission (new individuals copy the cultural traits of the member of the previous generation who had the highest individual fitness) and directly biased transmission (new individuals copy the cultural traits with the highest trait fitnesses across the entire previous generation). Parameters: N = 100, c_i = 10, c_s = 5, λ = 1000, µ_i = µ_s = 0; all results are the average of 100 independent runs.