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. 2020 May 19;5:24. doi: 10.1186/s41235-020-00224-7

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© The Author(s) 2020

Open AccessThis 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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Fig. 3 — Relationships in participants’ performance among all tasks. Each color-coded circle represents one task. From the top counter-clockwise: Unstable Towers Task, Paper Folding Test, Mental Rotation Test, verbal working memory task, spatial working memory task. The width of each connecting line is scaled to represent the strength of the correlation between individual differences on each pair of tasks. All r values are from Pearson correlation tests in 100 participants. All correlations were statistically significant at an alpha level of .05 except for the comparisons of the Unstable Towers task to the verbal and spatial working memory tasks, for which the p values were both greater than 0.3. While performance on the Unstable Towers task was significantly correlated with performance on each of the spatial cognition measures, the split-half reliability of the towers task was greater than its correlation with either spatial measure