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. Author manuscript; available in PMC: 2019 Sep 23.
Published in final edited form as: Ergonomics. 2009 May;52(5):609–616. doi: 10.1080/00140130802471595

Table 2.

Analysis of variance table for the coefficient of friction data in Table 1

Source DF Adj SS Adj MS F P
Subject 9 9.5095 1.0566 7.46 0.000
Material 4 4.1757 1.0439 7.37 0.000
Target normal force (Fn) 2 6.2069 3.1035 21.92 0.000
Radius of curvature 2 0.3247 0.1623 1.15 0.318
Material*Fn 6 0.8118 0.1353 0.96 0.455
Material*Radius of curvature 3 0.5028 0.1676 1.18 0.315
Fn*Radius of curvature 3 0.1767 0.0589 0.42 0.742
Error 609 86.2339 0.1416
Total 638