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Table 5

Matrix of correlation coefficients (R) and p-values (P).

Aggressive Noisy Soft Metallic Powerful Vibrating
(a) Test NOEQ
Aggressive R 1
P 1
Noisy R 0.987 1
P 0.000 1
Soft R −0.949 −0.971 1
P 0.001 0.000 1
Metallic R 0.905 0.897 −0.915 1
P 0.005 0.006 0.004 1
Powerful R 0.993 0.979 −0.926 0.867 1
P 0.000 0.000 0.003 0.011 1
Vibrating R 0.971 0.983 −0.970 0.894 0.956 1
P 0.000 0.000 0.000 0.007 0.001 1
(b) Test EQ
Aggressive R 1
P 1
Noisy R 0.800 1
P 0.031 1
Soft R −0.304 −0.360 1
P 0.508 0.427 1
Metallic R −0.381 −0.302 −0.662 1
P 0.399 0.510 0.105 1
Powerful R 0.542 0.573 0.302 −0.736 1
P 0.209 0.179 0.510 0.059 1
Vibrating R 0.687 0.477 −0.005 −0.493 0.842 1
P 0.088 0.279 0.992 0.261 0.017 1