Table 3.

Minimum (min), maximum (max) and mean pairwise correlations between the 15 environments for the four models. The mean correlation was calculated using Fisher’s Z-transformation

aModel	RN-L	RN-NL	FA-2	RR-2
Min	0.08	0.02	– 0.43	– 0.51
Max	1.00	1.00	0.97	1.00
Mean	0.96	0.89	0.50	0.86

^aRN-L linear reaction norm; RN-NL Nonlinear reaction norm; FA-2 Factor-analytic model with two common factors and specific genetic effects; RR-2 Reduced-rank factor-analytic model with two common factors and zero specific genetic effects