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. 2021 Jul 2;9:667821. doi: 10.3389/fpubh.2021.667821

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Copyright © 2021 Bartzik, Bentrup, Hill, Bley, von Hirschhausen, Krause, Ahaus, Dahl-Dichmann and Peifer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Mediation model of the effect of the humor intervention (X) on flow frequency (Y) via sense of humor (M). N = 93. The indirect effect from (X = independent variable) to (Y = dependent variable) via (M = mediator) was significant (β = 0.08, SE = 0.04, 0.01 < CI < 0.17); Measuring points: t₀ = Baseline; t₁ = 6 months after the humor intervention.