Table 2.

Correlations between various variables

	ICOM	FM	ICS	IC	Fox plane	Linear IC	Linear IP
IP
r′	0.640	0.361	0.703	0.619	0.632	0.442	–0.212
p	0.000	0.000	0.000	0.000	0.000	0.031	0.343
N	100	100	100	100	82	24	22
ICOM
r′		0.493	0.708	0.637	0.591	0.583	0.140
p		0.000	0.000	0.000	0.000	0.003	0.535
N		100	100	100	82	24	22
FM
r′			0.357	0.368	0.290	0.556	0.227
p			0.000	0.000	0.008	0.005	0.309
N			100	100	82	24	22
ICS
r′				0.597	0.561	0.497	–0.145
p				0.000	0.000	0.014	0.520
N				100	82	24	22
IC
r′					0.689	0.540	–0.107
p					0.000	0.006	0.635
N					82	24	22
Fox plane
r′						0.514	–0.077
p						0.050	0.794
N						15	14
Linear IC
r′							0.470
p							0.036
N							20

r′ = Karl Pearsons coefficient of correlation