Figure 4From: Evaluation of mental stress by physiological indices derived from finger plethysmographyEffect of Stroop color-word conflict test on mean standardized scores in POMS. T scores for the six POMS scales were calculated, and scores before and after administration of the Stroop color-word conflict test were compared. Values represent mean ± standard deviation (n = 31). *P < 0.05; **P < 0.01 (Wilcoxon signed-ranks test).Back to article page