From: A simulation experiment study to examine the effects of noise on miners’ safety behavior in underground coal mines
Noise level
Shapiro-Wilk
Statistics
df
Significant p
Control
.959
14
.701
60 dB
.977
.952
70 dB
.956
.654
80 dB
.980
90 dB
.958
13
.730
100 dB
.859
8
.118
110 dB
.853
.103
120 dB
.897
.273