Table 2.

Test of homogeneity of variances for scores on pre-test.

		Levene’s statistic	df1	df2	Sig.
NAWLT	Based on mean	0.363	2	83	0.697
	Based on median	0.285	2	83	0.752
	Based on median and with adjusted df	0.285	2	80.090	0.753
	Based on trimmed mean	0.350	2	83	0.706
VKT	Based on mean	0.649	2	83	0.525
	Based on median	0.522	2	83	0.595
	Based on median and with adjusted df	0.522	2	77.808	0.595
	Based on trimmed mean	0.629	2	83	0.536