perceive [Verb] + difficulty [Noun]

Strength Strength Dispersion
A:
9
CHISQ:
11.57
AWT:
13,832,309
TTEST:
1.98
G2:
9.83
FAWT:
3.93
MI:
1.56
LOGLOG:
4.94
JD:
0.58
MI3:
7.9
DICE:
0.11
RANGE: