. 2022 May 10;10(2):e34402. doi: 10.2196/34402
©Lisa Goudman, Julie Jansen, Maxime Billot, Nieke Vets, Ann De Smedt, Manuel Roulaud, Philippe Rigoard, Maarten Moens. Originally published in JMIR Serious Games (https://games.jmir.org), 10.05.2022.
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Figure 4.
A funnel plot of all effect sizes (A) and a study funnel plot (B).