Table 2.
Three-way ANOVA results for color change of main effects and interactions between factors (f1;composite, f2;polishing system, f3;repolishing procedure, a: R Squared = .771 (Adjusted R Squared = .747)
| Source | Type III Sum of Squares | Df | Mean Square | F | Sig. | Partial Eta Squared |
|---|---|---|---|---|---|---|
| Corrected Model | 341.016a | 23 | 14.827 | 31.607 | <0.001 | 0.771 |
| Intercept | 1607.943 | 1 | 1607.943 | 3427.723 | <0.001 | 0.941 |
| f1 | 46.660 | 3 | 15.553 | 33.156 | <0.001 | 0.315 |
| f2 | 33.794 | 1 | 33.794 | 72.040 | <0.001 | 0.250 |
| f3 | 210.220 | 2 | 105.110 | 224.067 | <0.001 | 0.675 |
| f1*f2 | 22.570 | 3 | 7.523 | 16.038 | <0.001 | 0.182 |
| f1*f3 | 10.677 | 6 | 1.780 | 3.794 | 0.001 | 0.095 |
| f2*f3 | 12.435 | 2 | 6.218 | 13.255 | <0.001 | 0.109 |
| f1*f2*f3 | 4.660 | 6 | 0.777 | 1.656 | 0.133 | 0.044 |