Table 2

 Two-way analysis of variance with reflecting/absorbing acoustics and shift as explanatory and the five delta sum variables as dependent variables

F valuep
Delta demand
    Sound reflecting/absorbing8.780.003
    Shift18.030.0001
    Interaction6.630.002
Control/supp
    Sound reflecting/absorbing0.230.630
    Shift13.430.0001
    Interaction1.140.323
Distress
    Sound reflecting/absorbing0.870.352
    Shift2.700.069
    Interaction0.700.496
Pressure
    Sound reflecting/absorbing5.890.016
    Shift19.460.0001
    Interaction3.540.030
Strain
    Sound reflecting/absorbing6.430.012
    Shift6.190.002
    Interaction1.070.344