Variable			Correlation matrix
Variable	Mean	Std. Dev	1	2	3	4	5
FP	28.82	4.42	0.748
SF	24.73	3.59	0.73**	0.714
JD	20.82	4.72	0.66**	0.66**	0.742
KS	36.29	5.09	0.65**	0.59**	0.61**	0.735
SP	33.06	5.70	0.68**	0.57**	0.61**	0.76**	0.781