Investigating the effects of construction industry noise on workers' cognitive performance and learning efficiency.

Although this trend did not reach statistical significance, it implies that exposure to steady noise might potentially aggravate workers’ mental fatigue. 5.3 Correlation analysis between cognitive state indicators and behavioral indicators To further investigate the relationships and internal correlations between behavioral indicators and cognitive state indicators, this study employed the Pearson correlation coefficient (r) as the primary tool for measuring associations between variables.

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