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Table 3 Scores of difficulty, effort and fatigue before and after the cognitive task

From: Effects of psychological fatigue on college athletes’ error-related negativity based on artificial intelligence computing method

Variables Beginning After 15 min
M SD M SD
Difficulty 3.083 1.311 3.333 1.155
Effort 2.833 0.937 3.083 0.996
Fatigue 1.167 0.718 1.500 0.522