ANOVA Model
post1-pre ~ post4
means	0.167	-0.417	0.167	0.833	0.021	-0.31

ANOVA Statistics
	Df	Sum Sq	Mean Sq	F value	Pr(>F)
post4	5	2.023	0.405	1.662	0.173
Residuals	31	7.545	0.243

Tukey Honest Significant Difference Comparisons
	diff	lwr	upr	p adj
0.5-0	-0.417	-1.383	0.55	0.778
1-0	0.167	-0.892	1.225	0.997
1.5-0	0.833	-0.784	2.451	0.627
2-0	0.021	-0.696	0.738	1
NA-0	-0.31	-1.143	0.524	0.866
1-0.5	0.583	-0.56	1.727	0.637
1.5-0.5	1.25	-0.424	2.924	0.238
2-0.5	0.437	-0.4	1.275	0.613
NA-0.5	0.107	-0.831	1.046	0.999
1.5-1	0.667	-1.062	2.396	0.847
2-1	-0.146	-1.088	0.796	0.997
NA-1	-0.476	-1.509	0.557	0.727
2-1.5	-0.812	-2.356	0.731	0.606
NA-1.5	-1.143	-2.744	0.458	0.281
NA-2	-0.33	-1.009	0.348	0.68

Levenes Test for Homogeneity of Variance
	Df	F value	Pr(>F)
Group	5	0.598	0.701
	31