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International Journal of Interdisciplinary Research

Table 6 Three-way analysis of variance for fabric smoothness

From: Comparisons of fabric care performances between conventional and high-efficiency washers and dryers

Fabric smoothness Sum of squares df Mean square F
Main effects 27.74 35 .79 6.35***
Combination of washer and dryer (W/D) used 7.14 2 3.57 28.59***
Softener usage .15 1 .15 1.19
Number of laundering cycles 15.78 5 3.16 25.30***
Combination of W/D used × softener .05 2 .02 .19
Combination of W/D used × cycles 1.69 10 .17 1.35
Softener × cycles .97 5 .19 1.55
Combination of W/D used × softener × cycles 1.97 10 .20 1.58
Error 17.97 144 .13  
Total 1285.25 180   
  1. *** p < .001