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. 2020 Jun 18;10:9878. doi: 10.1038/s41598-020-66502-y

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Effects of previous outcomes on current risky choice. (a) Visualizing the effect size of previous outcomes of -$20/+$20 on the current choice, assuming indifference on the current trial (model 1). (b) Estimates of the effect of past outcomes up to three trials back (t-1, t-2, t-3) on risk-taking on the current trial in model 5 (errors bars represent standard errors). (c) Testing whether the effect of previous outcomes varies by type of previous outcome (risky gain, risky loss, or guaranteed alternative) in model 7 (errors bars represent standard errors). No pairwise comparisons were significant (Wald’s Test, all p’s > 0.31), and model 7 was not significantly better than model 1, which collapsed across outcome types (likelihood ratio test, p = 0.56). (d) Visualizing the effect size of previous outcomes of -$20/+$20 on the current weight of losses (model 9).