Table 7. Models for freshness perception. Independent variables, adjusted R square, standard error of the estimate, and respective ANOVA F-test values and significance for each model.

Model	Variables	Adjusted R2	Std error of the estimate	ANOVA
				F	p
1	Skew(L)	0.62	18.84	F1,42 = 70.89	<0.001
2	Skew(L),SF(3–5)	0.86	11.37	F2,41 = 134.50	<0.001
3	Skew(L),SF(3–5), SF(1–3)	0.94	7.45	F3,40 = 226.91	<0.001
4	SF(3–5), SF(1–3)	0.94	7.40	F2,41 = 344.94	<0.001