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. 2022 May 23;380(2227):20200426. doi: 10.1098/rsta.2020.0426

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© 2022 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 2. — (a) Difference in performance between conditions (hybrid—human-only); (inset) performance improvement over generations within human-only chains in relation to the first generation; (b) average number of actions of solutions that match those of generation 2 within the same chain; (c) maximum-likelihood estimates of the pruning parameter for human-only chains; (d) difference of the maximum-likelihood estimates of the pruning parameter between conditions (hybrid—human-only). All panels share the same colour code. Vertical bars are indicating bootstrapped 95% confidence intervals. A dashed vertical line shows the algorithm’s position. (Online version in colour.)