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. 2021 Sep 1;25(2):221–227. doi: 10.1093/ntr/ntab176

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Relationships between average arousal rating of cigarette packets and average k-value in the monetary choice delay discounting task for Tradition Health Warning (left) and COVID-19 Health Warning (right). Higher values on delay discounting reflect preference for smaller short-term reward. Error bands reflect standard error. Correlation coefficients are presented for each group. The difference between immediate and delayed reward can be divided into small (eg, £3), medium (eg, £12), and large (eg, £28) amounts. The relationship between delay discounting and arousal ratings was consistently significant across small, medium, and large value differences, in the C19HW group (p < .01); r_small: –.35; r_medium: –.25; r_large = –.26. Whilst in the THW group the effect was consistently non-significant (p > .136), r_small: .08; r_medium= .07; r_large = .14.