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International Journal of Interdisciplinary Research

Table 5 Three-way analysis of variance for color change

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

Color change Sum of squares df Mean square F
Main effects 35.28 35 1.01 6.59***
Combination of washer and dryer (W/D) used .50 2 .25 1.64
Softener usage .19 1 .19 1.24
Number of laundering cycles 30.99 5 6.20 40.48***
Combination of W/D used × softener .03 2 .01 .09
Combination of W/D used × cycles 1.76 10 .18 1.15
Softener × cycles 1.64 5 .33 2.15
Combination of W/D used × softener × cycles .18 10 .02 .12
Error 22.04 144 .15  
Total 3120.14 180   
  1. *** p < .001