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Table 4 Mixed model ANOVA results (design 2)
| Â | Sum of squares | df | Mean square | F | p-value |
|---|---|---|---|---|---|
Main effects | |||||
 F1: Geographical spread | 878,212 | 1 | 878,212 | 212.63 | 0.000 |
 F2: Time window width | 8,407,640 | 1 | 8,407,640 | 1794.96 | 0.000 |
 F3: Number of orders | 1,064,855 | 1.363 | 781,464 | 152.92 | 0.000 |
Two-way interaction | |||||
 F1 X F2 | 17,228 | 1 | 17,228 | 3.678 | 0.060 |
 F1 X F3 | 215,138 | 1.363 | 157,883 | 30.896 | 0.000 |
 F2 X F3 | 383,502 | 1.576 | 243,286 | 243,312 | 0.000 |
Three-way interaction | |||||
 F1 X F2 X F3 | 19,557 | 1.576 | 12,407 | 12.408 | 0.000 |
Residuals | |||||
 Between subjects | 239,554 | 58 | 4130 |  |  |
 Within F2 | 271,673 | 58 | 4684 |  |  |
 Within F3 | 403,871 | 79.033 | 5110 |  |  |
 Within F2 X F3 | 91,418 | 91.428 | 1000 |  |  |
Total | 11,992,668 | 295.339 | Â | Â | Â |