Specifically, although the EGG showed a trend toward greater improvement in the Stroop test, the group-by-time interaction did not reach statistical significance, likely due to limited statistical power and high inter-individual variability.
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Dual‑task exergaming to enhance motor and cognitive function in chronic stroke: a prospective, assessor-blinded, parallel group randomized controlled trial.
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This suggests that while the EGG tended to show larger gains, the difference in the rate of improvement between the two groups did not reach statistical significance for the Stroop test.