TABLE 4.

Tests of normality.

	Kolmogorov–Smirnova			Shapiro–Wilk
	Statistic	df	Sig.	Statistic	df	Sig.
WG1	0.136	52	0.018	0.976	52	0.361
FL1	0.121	52	0.055	0.976	52	0.379
WG2	0.112	52	0.123	0.975	52	0.343
FL2	0.140	52	0.013	0.971	52	0.226

^aLilliefors significance correction.