Table 2 Table of F-ratios from the mixed ANOVAs, significance indicated by * (α = 0.05), with corresponding degrees of freedom (df) and p-values (df values were corrected using Greenhouse-Geisser estimates due to a violation of sphericity indicated by Mauchly’s test).

From: A universal color curve for roasted arabica coffee

Parameter

Factor

df

F-ratio

P-value

L*

Time

2.40

2708.55

< 0.001*

Time* Roast profile

14.42

27.08

< 0.001*

Roast profile

6.00

40.87

< 0.001*

a*

Time

3.39

1054.47

< 0.001*

Time* Roast profile

20.37

39.50

< 0.001*

Roast profile

6.00

63.38

< 0.001*

b*

Time

3.82

1984.36

< 0.001*

Time* Roast profile

22.91

50.96

< 0.001*

Roast profile

6.00

56.00

< 0.001*

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