stiff [Adjective] + so [Adverb]

Strength Strength Dispersion
A:
29
CHISQ:
414.58
AWT:
4,717,087
TTEST:
-61.6
G2:
612.08
FAWT:
11.52
MI:
-3.64
LOGLOG:
-17.67
JD:
0.77
MI3:
6.08
DICE:
0.03
RANGE: