Figure 1
PRISMA summary of the study selection process.
Figure 2
Forest plot of the effect size of mental fatigue on exercise performance and RPE.
Figure 3
Funnel plot of Cohen’s dz effect size versus study standard error.
Figure 4
Panel A: Funnel plot of the effect sizes meta-analyzed by Brown et al. (2019) and Giboin and Wolff (2019). Panel B: Distribution of effect sizes in the same two meta-analyses across time.