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. 2023 May 24;13:8383. doi: 10.1038/s41598-023-35082-y

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© The Author(s) 2023

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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Bimodal distribution of interventions creativity scores in the studies included in the meta-analysis. Note: The red and green lines plot the distribution of creativity ratings for the lower and higher creativity sub-groups respectively. The black dotted line plots the overall distribution. The blue vertical lines indicate the cut-off identified through finite mixture model using the Expectation–Maximization algorithm.