A simulation experiment study to examine the effects of noise on miners’ safety behavior in underground coal mines

Table 6 Paired sample t-test results for acoustic and optic reaction

	Pairing Difference					t	Degree of Freedom	Significant P (Two-tailed)
	Average (E)	Standard Deviation	Standard Error Mean	95% Confidence Interval for the Difference
	Average (E)	Standard Deviation	Standard Error Mean	Lower Limit	Upper Limit
Sound Control - 60 dB	−.009	.045	.012	−.035	.017	−.765	13	.458
Sound Control - 70 dB	−.044	.054	.014	−.075	−.012	−3.052	13	.009
Sound Control - 80 dB	−.077	.088	.023	−.128	−.026	−3.266	13	.006
Sound Control - 90 dB	−.136	.072	.020	−.180	−.092	−6.785	12	.000
Sound Control - 100 dB	−.106	.026	.009	−.129	−.084	−11.196	7	.000
Sound Control - 110 dB	−.139	.030	.010	−.165	−.113	−12.914	7	.000
Sound Control - 120 dB	−.198	.022	.007	−.216	−.179	−25.282	7	.000
Light Control - 60 dB	−.001	.010	.003	−.007	.004	−.530	13	.605
Light Control - 70 dB	−.008	.014	.004	−.016	.001	−2.337	13	.056
Light Control - 80 dB	−.060	.039	.010	−.082	−.037	−5.778	13	.000
Light Control - 90 dB	−.093	.035	.010	−.114	−.072	−9.524	12	.000
Light Control - 100 dB	−.087	.027	.009	−.109	−.065	−9.220	7	.000
Light Control - 110 dB	−.134	.029	.010	−.158	−.110	−13.255	7	.000
Light Control - 120 dB	−.181	.037	.013	−.212	−.150	−13.957	7	.000

ISSN: 1471-2458