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. 2024 Apr 2;19(4):e0298958. doi: 10.1371/journal.pone.0298958

Fig 2. Motivation (A), subjective workload (B), feeling of mental fatigue (C), and sleepiness (D) for the cognitively demanding task and documentary watching.

Fig 2

***: Significant difference between conditions (p < .001). ###: Significant interaction effect (p < .001). Data are presented as means ± SE (N = 14).