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Figure 9: Mean responses of agreement that the HEPS was more effective than current Army-issued hearing protection, with 95% confidence interval plotted. Mean values, shown on bars, with the same letter are not significantly different according to Tukey’s test at p < 0.05

Figure 9: Mean responses of agreement that the HEPS was more effective than current Army-issued hearing protection, with 95% confidence interval plotted. Mean values, shown on bars, with the same letter are not significantly different according to Tukey’s test at p < 0.05