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. 2017 Jan;146(1):63–76. doi: 10.1037/xge0000245

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© 2017 The Author(s)

This article has been published under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Copyright for this article is retained by the author(s). Author(s) grant(s) the American Psychological Association the exclusive right to publish the article and identify itself as the original publisher.

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Left panel: Change in the ratio of runs of length three to runs of length two plus an alternation for sequences produced in each condition (this includes HHH:HHT and TTT:TTH). Right Panel: The same analysis for runs of length five and runs of length 4 plus an alternation. In both panels the 2 × 100 condition shows the largest increase in ratio, while the 40 × 5 conditions shows the smallest increase. The horizontal dashed line shows the theoretical value for a fair coin. Error bars represent ±1 SE.