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. 2023 Oct 4;18(10):e0291389. doi: 10.1371/journal.pone.0291389

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© 2023 Kaluschke et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 13 — The correlation between learning gain as measured by real outcomes (pre- to post-training) vs. learning gain measured by simulator outcomes (trial #1 to trial #6). (a) All samples, moderate correlation. (b) Influence of 3D rendering mode. Mono 3D shows a moderate correlation, while stereo 3D shows no correlation. (c) Hand-tool alignment has no influence. (d) Influence of condition groups. Group 2 (mono 3D & aligned) shows the highest correlation (R = 0.49).