ANOVA Model
post1-pre ~ post4
means	0.417	-0.417	-0.083	0.583	-0.315	-0.483

ANOVA Statistics
	Df	Sum Sq	Mean Sq	F value	Pr(>F)
post4	5	3.658	0.732	2.657	0.027
Residuals	99	27.256	0.275

Tukey Honest Significant Difference Comparisons
	diff	lwr	upr	p adj
0.5-0	-0.417	-1.072	0.238	0.44
1-0	-0.083	-0.679	0.513	0.999
1.5-0	0.583	-0.973	2.14	0.885
2-0	-0.315	-0.695	0.065	0.164
NA-0	-0.483	-0.985	0.019	0.066
1-0.5	0.333	-0.435	1.102	0.805
1.5-0.5	1	-0.63	2.63	0.482
2-0.5	0.102	-0.514	0.718	0.997
NA-0.5	-0.067	-0.765	0.631	1
1.5-1	0.667	-0.941	2.274	0.833
2-1	-0.231	-0.784	0.322	0.828
NA-1	-0.4	-1.043	0.243	0.465
2-1.5	-0.898	-2.438	0.642	0.539
NA-1.5	-1.067	-2.642	0.508	0.368
NA-2	-0.169	-0.619	0.281	0.884

Levenes Test for Homogeneity of Variance
	Df	F value	Pr(>F)
Group	5	2.979	0.015
	99