retrieval [Noun] + mechanism [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
11.18
AWT:
15,087,608
TTEST:
1.56
G2:
9.18
FAWT:
3.6
MI:
2.19
LOGLOG:
4.39
JD:
0.51
MI3:
6.19
DICE:
0.14
RANGE: