cooperation [Noun] + voluntary [Adjective]

Strength Strength Dispersion
A:
3
CHISQ:
4.06
AWT:
24,694,822
TTEST:
1.16
G2:
5.13
FAWT:
2.2
MI:
1.59
LOGLOG:
2.53
JD:
0.43
MI3:
4.76
DICE:
0.12
RANGE: