Predictor Coefficient P
Constant 4.4815   0.000
X1   0.05556 0.506
X2 -0.05556 0.506
X3 0.88889 0.000
X12 0.0556 0.700
X22 0.3889 0.014
X32 -0.7778 0.000
X1X2 -0.0833 0.417
X1X3 -0.0833 0.417
X2X3 0.0833 0.417
Table 14: Regression coefficient of full second order model for overall acceptability.