International Journal of Interdisciplinary Research
Table 1 Three-way analysis of variance for fabric hand
From: Comparisons of fabric care performances between conventional and high-efficiency washers and dryers
Fabric hand | Sum of squares | df | Mean square | F |
|---|---|---|---|---|
Main effects | 15.78 | 35 | .45 | 5.71*** |
Combination of washer and dryer (W/D) used | 3.06 | 2 | 1.53 | 19.39*** |
Softener usage | 1.28 | 1 | 1.28 | 16.19*** |
Number of laundering cycles | 9.39 | 5 | 1.88 | 23.80*** |
Combination of W/D used × softener | .14 | 2 | .07 | .89 |
Combination of W/D used × cycles | 1.27 | 10 | .13 | 1.61 |
Softener × cycles | .35 | 5 | .07 | .89 |
Combination of W/D used × softener × cycles | .29 | 10 | .03 | .37 |
Error | 11.37 | 144 | .08 | |
Total | 1644.23 | 180 |